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Jensen Huang, co-founder and chief executive officer of Nvidia Corp., during the Nvidia GPU Technology Conference (GTC) in San Jose, California, US, on Tuesday, March 19, 2024. 

David Paul Morris | Bloomberg | Getty Images

Nvidia’s 27% rally in May pushed its market cap to $2.7 trillion, behind only Microsoft and Apple among the most-valuable public companies in the world. The chipmaker reported a tripling in year-over-year sales for the third straight quarter driven by soaring demand for its artificial intelligence processors.

Mizuho Securities estimates that Nvidia controls between 70% and 95% of the market for AI chips used for training and deploying models like OpenAI’s GPT. Underscoring Nvidia’s pricing power is a 78% gross margin, a stunningly high number for a hardware company that has to manufacture and ship physical products.

Rival chipmakers Intel and Advanced Micro Devices reported gross margins in the latest quarter of 41% and 47%, respectively.

Nvidia’s position in the AI chip market has been described as a moat by some experts. Its flagship AI graphics processing units (GPUs), such as the H100, coupled with the company’s CUDA software led to such a head start on the competition that switching to an alternative can seem almost unthinkable.

Still, Nvidia CEO Jensen Huang, whose net worth has swelled from $3 billion to about $90 billion in the past five years, has said he’s “worried and concerned” about his 31-year-old company losing its edge. He acknowledged at a conference late last year that there are many powerful competitors on the rise.

“I don’t think people are trying to put me out of business,” Huang said in November. “I probably know they’re trying to, so that’s different.”

Nvidia has committed to releasing a new AI chip architecture every year, rather than every other year as was the case historically, and to putting out new software that could more deeply entrench its chips in AI software.

But Nvidia’s GPU isn’t alone in being able to run the complex math that underpins generative AI. If less powerful chips can do the same work, Huang might be justifiably paranoid.

The transition from training AI models to what’s called inference — or deploying the models — could also give companies an opportunity to replace Nvidia’s GPUs, especially if they’re less expensive to buy and run. Nvidia’s flagship chip costs roughly $30,000 or more, giving customers plenty of incentive to seek alternatives.

“Nvidia would love to have 100% of it, but customers would not love for Nvidia to have 100% of it,” said Sid Sheth, co-founder of aspiring rival D-Matrix. “It’s just too big of an opportunity. It would be too unhealthy if any one company took all of it.”

Founded in 2019, D-Matrix plans to release a semiconductor card for servers later this year that aims to reduce the cost and latency of running AI models. The company raised $110 million in September.

In addition to D-Matrix, companies ranging from multinational corporations to nascent startups are fighting for a slice of the AI chip market that could reach $400 billion in annual sales in the next five years, according to market analysts and AMD. Nvidia has generated about $80 billion in revenue over the past four quarters, and Bank of America estimates the company sold $34.5 billion in AI chips last year.

Many companies taking on Nvidia’s GPUs are betting that a different architecture or certain trade-offs could produce a better chip for particular tasks. Device makers are also developing technology that could end up doing a lot of the computing for AI that’s currently taking place in large GPU-based clusters in the cloud.

“Nobody can deny that today Nvidia is the hardware you want to train and run AI models,” Fernando Vidal, co-founder of 3Fourteen Research, told CNBC. “But there’s been incremental progress in leveling the playing field, from hyperscalers working on their own chips, to even little startups, designing their own silicon.”

AMD CEO Lisa Su wants investors to believe there’s plenty of room for many successful companies in the space.

“The key is that there are a lot of options there,” Su told reporters in December, when her company launched its most recent AI chip. “I think we’re going to see a situation where there’s not only one solution, there will be multiple solutions.”

Other big chipmakers

Lisa Su displays an AMD Instinct MI300 chip as she delivers a keynote address at CES 2023 in Las Vegas, Nevada, on Jan. 4, 2023.

David Becker | Getty Images

Nvidia’s top customers

How AWS is designing its own chips to help catch Microsoft and Google in generative A.I. race

One potential challenge for Nvidia is that it’s competing against some of its biggest customers. Cloud providers including Google, Microsoft and Amazon are all building processors for internal use. The Big Tech three, plus Oracle, make up over 40% of Nvidia’s revenue.

Amazon introduced its own AI-oriented chips in 2018, under the Inferentia brand name. Inferentia is now on its second version. In 2021, Amazon Web Services debuted Tranium targeted to training. Customers can’t buy the chips but they can rent systems through AWS, which markets the chips as more cost efficient than Nvidia’s.

Google is perhaps the cloud provider most committed to its own silicon. The company has been using what it calls Tensor Processing Units (TPUs) since 2015 to train and deploy AI models. In May, Google announced the sixth version of its chip, Trillium, which the company said was used to develop its models, including Gemini and Imagen.

Google also uses Nvidia chips and offers them through its cloud.

Microsoft isn’t as far along. The company said last year that it was building its own AI accelerator and processor, called Maia and Cobalt.

Meta isn’t a cloud provider, but the company needs massive amounts of computing power to run its software and website and to serve ads. While the Facebook parent company is buying billions of dollars worth of Nvidia processors, it said in April that some of its homegrown chips were already in data centers and enabled “greater efficiency” compared to GPUs.

JPMorgan analysts estimated in May that the market for building custom chips for big cloud providers could be worth as much as $30 billion, with potential growth of 20% per year.

Startups

Cerebras’ WSE-3 chip is one example of new silicon from upstarts designed to run and train artificial intelligence.

Cerebras Systems

Venture capitalists see opportunities for emerging companies to jump into the game. They invested $6 billion in AI semiconductor companies in 2023, up slightly from $5.7 billion a year earlier, according to data from PitchBook.

It’s a tough area for startups as semiconductors are expensive to design, develop and manufacture. But there are opportunities for differentiation.

For Cerebras Systems, an AI chipmaker in Silicon Valley, the focus is on basic operations and bottlenecks for AI, versus the more general purpose nature of a GPU. The company was founded in 2015 and was valued at $4 billion during its most recent fundraising, according to Bloomberg.

The Cerebras chip, WSE-2, puts GPU capabilities as well as central processing and additional memory into a single device, which is better for training large models, said CEO Andrew Feldman.

“We use a giant chip, they use a lot of little chips,” Feldman said. “They’ve got challenges of moving data around, we don’t.”

Feldman said his company, which counts Mayo Clinic, GlaxoSmithKline, and the U.S. Military as clients, is winning business for its supercomputing systems even going up against Nvidia.

“There’s ample competition and I think that’s healthy for the ecosystem,” Feldman said.

Sheth from D-Matrix said his company plans to release a card with its chiplet later this year that will allow for more computation in memory, as opposed to on a chip like a GPU. D-Matrix’s product can be slotted into an AI server along existing GPUs, but it takes work off of Nvidia chips, and helps to lower the cost of generative AI.

Customers “are very receptive and very incentivized to enable a new solution to come to market,” Sheth said.

Apple and Qualcomm

Apple iPhone 15 series devices are displayed for sale at The Grove Apple retail store on release day in Los Angeles, California, on September 22, 2023. 

Patrick T. Fallon | Afp | Getty Images

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Peter Thiel-backed cryptocurrency exchange Bullish files to go public on NYSE

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Peter Thiel-backed cryptocurrency exchange Bullish files to go public on NYSE

Peter Thiel, co-founder of PayPal, Palantir Technologies, and Founders Fund, holds hundred dollar bills as he speaks during the Bitcoin 2022 Conference at Miami Beach Convention Center on April 7, 2022 in Miami, Florida.

Marco Bello | Getty Images

The Peter Thiel-backed cryptocurrency exchange Bullish filed for an IPO on Friday, the latest digital asset firm to head for the public market.

The company, led by CEO Tom Farley, a veteran of the finance industry and former president of the New York Stock Exchange, said it plans to trade on the NYSE under the ticker symbol “BLSH.”

A spinout of Block.one, Bullish started with an initial investment from backers including Thiel’s Founders Fund and Thiel Capital, along with Nomura, Mike Novogratz and others. Bullish acquired crypto news site CoinDesk in 2023.

“In the first quarter of 2025, Bullish exchange executed over $2.5 billion in average daily volume, ranking in the top five exchanges by spot volume for Bitcoin and Ether,” the company said on its website. The prospectus listed top competitors as Binance, Coinbase and Kraken.

The IPO filing says that as of March 31, the total trading volume since launch has exceeded $1.25 trillion.

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The filing is another significant step for the cryptocurrency industry, which has fought for years to convince institutions to embrace digital assets as legitimate investments.

It’s already been a big year on the market for crypto offerings, highlighted by stablecoin issuer Circle, which has jumped more than sevenfold since its IPO in June. Etoro, an online trading platform that includes services for crypto investors, debuted in May.

Novogratz‘s crypto firm Galaxy Digital started trading on the Nasdaq in May, moving its listing from the Toronto Stock Exchange. And in June, Gemini, the cryptocurrency exchange and custodian founded by Cameron and Tyler Winklevoss, confidentially filed for an IPO in the U.S.

Meanwhile, investors continue to flock to bitcoin. The digital currency is trading at over $117,000, up from about $94,000 at the start of the year.

President Donald Trump, on Friday, signed the GENIUS Act into law — a set of regulations that establish some initial consumer protections around stablecoins, which are tied to assets like the U.S. dollar with the intent of reducing price volatility associated with many cryptocurrencies.

In its filing with the SEC, Bullish says its mission is partly to “drive the adoption of stablecoins, digital assets, and blockchain technology.”

Crypto industry players, including Thiel, Elon Musk, and President Trump’s AI and Crypto czar David Sacks spent heavily to re-elect Trump and have pushed for legislation that legitimizes digital assets and exchanges.

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Microsoft stops relying on Chinese engineers for Pentagon cloud support

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Microsoft stops relying on Chinese engineers for Pentagon cloud support

Microsoft Chairman and Chief Executive Officer Satya Nadella (L) returns to the stage after a pre-recorded interview during the Microsoft Build conference opening keynote in Seattle, Washington on May 19, 2025.

Jason Redmond | AFP | Getty Images

Microsoft on Friday revised its practices to ensure that engineers in China no longer provide technical support to U.S. defense clients using the company’s cloud services.

The company implemented the changes in an effort to reduce national security and cybersecurity risks stemming from its cloud work with a major customer. The announcement came days after ProPublica published an extensive report describing the Defense Department’s dependence on Microsoft software engineers in China.

“In response to concerns raised earlier this week about US-supervised foreign engineers, Microsoft has made changes to our support for US Government customers to assure that no China-based engineering teams are providing technical assistance for DoD Government cloud and related services,” Frank Shaw, the Microsoft’s chief communications officer, wrote in a Friday X post.

The change impacts the work of Microsoft’s Azure cloud services division, which analysts estimate now generates more than 25% of the company’s revenue. That makes Azure bigger than Google Cloud but smaller than Amazon Web Services. Microsoft receives “substantial revenue from government contracts,” according to its most recent quarterly earnings statement, and more than half of the company’s $70 billion in first-quarter revenue came from customers based in the U.S.

In 2019, Microsoft won a $10 billion cloud-related defense contract, but the Pentagon wound up canceling it in 2021 after a legal battle. In 2022, the department gave cloud contracts worth up to $9 billion in total to Amazon, Google, Oracle and Microsoft.

ProPublica reported that the work of Microsoft’s Chinese Azure engineers is overseen by “digital escorts” in the U.S., who typically have less technical prowess than the employees they manage overseas. The report detailed how the “digital escort” arrangement might leave the U.S. vulnerable to a cyberattack from China.

“This is obviously unacceptable, especially in today’s digital threat environment,” Defense Secretary Pete Hegseth said in a video posted to X on Friday. He described the architecture as “a legacy system created over a decade ago, during the Obama administration.” The Defense Department will review its systems in search for similar activity, Hegseth said.

Microsoft originally told ProPublica that its employees and contractors were adhering to U.S. government rules.

“We remain committed to providing the most secure services possible to the US government, including working with our national security partners to evaluate and adjust our security protocols as needed,” Shaw wrote.

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The investor behind Opendoor’s 190% run nearly shut down his fund

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The investor behind Opendoor's 190% run nearly shut down his fund

Courtesy: Opendoor

On June 6, online real estate service Opendoor was so desperate to get its beaten-down stock price back over $1 and stay listed on the Nasdaq that management proposed a reverse split, potentially lifting the price of each share by as much as 50 times.

The stock inched its way up over the next five weeks.

Then Eric Jackson started cheerleading.

Jackson, a hedge fund manager who was bullish on Opendoor years earlier when the company appeared to be thriving and was worth roughly $20 billion, wrote on X on Monday that his firm, EMJ Capital, was back in the stock.

“@EMJCapital has taken a position in $OPEN — and we believe it could be a 100-bagger over the next few years,” Jackson wrote. He added later in the thread that the stock could get to $82.

It’s a long, long way from that mark.

Opendoor shares soared 189% this week, by far their best weekly performance since the company’s public market debut in late 2020. The stock closed on Friday at $2.25. The stock’s highest-volume trading days on record were Wednesday, Thursday and Friday of this week.

Jackson said in an interview on Thursday that the bulk of his firm’s Opendoor purchases came when the stock was in the 70s and 80s, meaning cents, and he’s bought options as well for his portfolio.

Nothing has fundamentally improved for the company since Jackson’s purchases. Opendoor remains a cash-burning, low-margin business with meager near-term growth prospects.

What has changed dramatically is Jackson’s online influence and the size of his following. The more he posts, the higher the stock goes.

“There’s a real hunger for buying the next big thing,” Jackson told CNBC, adding that investors like to find the “downtrodden.”

It’s something Jackson’s firm, based in Toronto, has in common with Opendoor.

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When Opendoor went public through a special purpose acquisition company in 2020, it was riding a SPAC wave and broader gains driven by low interest rates and Covid-era market euphoria. Investors pumped money into the riskiest assets, lifting money-losing tech upstarts to astronomical valuations.

Opendoor’s business involved using technology to buy and sell homes, pocketing the gains. Zillow tried and failed to compete.

Opendoor shares peaked at over $39 in Feb. 2021 for a market cap just above $22.5 billion. But by the end of that year, the shares were trading below $15, before collapsing 92% in 2022 to end the year at $1.16.

Rising interest rates hammered the whole tech sector, hitting Opendoor particularly hard as increased borrowing costs reduced demand for homes.

Jackson, similarly, had a miserable 2022, coinciding with the worst year for the Nasdaq since 2008. Jackson said his key client withdrew its money at the end of the year, and “I’ve been small ever since.”

‘Epic comeback’

While his assets under management remain minimal, Jackson’s reputation for getting in early to a rebound story was burnished by the performance of Carvana.

The automotive e-commerce platform lost 98% of its value in 2022 as investors weighed the likelihood of bankruptcy. In the middle of that year, with Carvana still far from bottoming out, Jackson expressed his bullishness. He told CNBC that April that he liked the stock, and then promoted its recovery on a podcast in June. He also said he liked Opendoor at the time.

Investors willing to stomach further losses in 2022 were rewarded with a 1,000% gain in 2023, and a lot more upside from there. The stock closed on Friday at $347.52, up from a low of $3.72 in Dec. 2022, and almost triple its price at the time of Jackson’s appearance on CNBC in April of that year.

After Carvana’s 2022 slide, “then obviously began an epic comeback,” Jackson said. Opendoor, meanwhile, “continued to roll down the mountain,” he said.

Jackson said that the fallout of 2022 led him to pursue a different method of stockpicking. He started hiring a small team of developers, which is now four people, to build out artificial intelligence models. The firm has experimented with several models —some have worked and some haven’t — but he said the focus now is using what he’s learned from Carvana to find “100x” opportunities.

In addition to Opendoor, Jackson has been promoting IREN, a provider of power for bitcoin mining and AI workloads, and Cipher Mining, which is in a similar space. He’s seen his following on Elon Musk‘s social media site X, which he said was stuck for years between 32,000 and 34,000, swell to almost 50,000. And after a lengthy lull, investors are reaching out to him to try and put money into his fund, he said.

Jackson has a lot riding on Opendoor, a company that saw revenue and number of homes sold slip in the first quarter from a year earlier, and racked up almost $370 million in losses over the past four quarters.

In early June, Opendoor announced plans for a reverse split — ranging from 1 for 10 to 1 for 50 — to “give us optionality in preserving our listing on Nasdaq.” With the stock now well over $1, such a move appears less necessary, as shareholders prepare to vote on the proposal on July 28.

“I think it’s a terrible idea,” said Jackson. “Those things usually further cement a company’s move into oblivion rather than hail some big revival.”

Opendoor didn’t respond to a request for comment.

Banking on growth

Analysts are projecting a more than 5% drop in revenue this year, followed by 20% growth in 2026 and 12% expansion in 2017, according to LSEG. Losses are expected to narrow over that stretch.

Jackson said his analysis factors in projections of $11.5 billion in revenue for 2029, which would be well over double the company’s expected sales for this year. He looked at the multiples of companies like Zillow and Carvana, which he said trade for 4 to 7 times forward revenue. Opendoor’s forward price-to-sales ratio is currently well below 1.

With Zillow and Redfin having exited the instant-buying home market, Opendoor faces little competition in allowing homeowners to sell their property online for cash, rather than going through an extended bidding, sales and closing process.

Jackson is banking on revenue growth and increased market share to lead to a profitable business that will push investors to value the company with a multiple somewhere between Zillow and Carvana. At $82, Opendoor would be worth about $60 billion, which is roughly 5 times projected 2029 revenue.

Jackson said his model assumes that “like Carvana, Opendoor can prove that it can permanently turn the tide and get to sustained profitability” so that the “market multiple would get reassessed.”

In the meantime, he’ll keep posting on X.

On Friday, Jackson wrote a thread consisting of 11 posts, recounting the challenge of having “99.5% of my AUM” disappear overnight after his primary investor pulled out in 2022.

“Translation: he fired me for losing him too much money,” Jackson wrote. He said he almost shut down the fund, and was even encouraged to do so by his wife and accountant.

Now, Jackson is using his recent momentum on social media to try and attract investor money, while still reminding prospects that he could lose it.

“All I have is my reputation,” he wrote, “and, unless I keep picking good stocks, it will be gone.”

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