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Former Theranos CEO Elizabeth Holmes leaves after a hearing at a federal court in San Jose, California, July 17, 2019.
Stephen Lam | Reuters

Nearly a decade ago, Elizabeth Holmes was proclaimed the golden girl of Silicon Valley, and briefly crowned America’s youngest female self-made billionaire.

This week, she’ll walk into a San Jose federal courthouse with a very different image: a defendant charged accused of fraud. 

Federal prosecutors in the Northern District of California have accused Holmes and Ramesh “Sunny” Balwani, former Theranos president and for a time her romantic partner, of defrauding investors and patients. They each face two counts of conspiracy to commit wire fraud and 10 counts of wire fraud. Holmes and Balwani, who will be tried separately, pleaded not guilty.

Jury selection in Holmes’ trial will begin Tuesday and is expected to take at least two days, a process that typically takes less than a day in lower-profile cases. Opening statements are scheduled for Sept. 8 and the trial is expected to last 13 weeks.

If convicted, Holmes could face 20 years in prison. Prosecutors say Holmes not only swindled investors of hundreds of millions of dollars, but she also put thousands of lives at risk.

The rise and fall of Theranos

Holmes’ saga began when she had a vision of running hundreds of laboratory tests with just a finger prick of blood. She dropped out of Stanford at age 19 to start Theranos. The idea was to make blood tests cheaper, convenient and accessible to consumers.

The company struck partnerships with Walgreens and the grocery chain Safeway. Her board of directors included luminaries such as former Secretaries of State Henry Kissinger and the late George Shultz and former Secretary of Defense James Mattis.

But Holmes’ vision turned upside down in 2015 after Wall Street Journal reporter John Carreyrou published a series of damning reports exposing the shortcomings and inaccuracies of Theranos’ technology.

Patients were given inaccurate test results relating to conditions such as HIV, cancer and miscarriages.

“She commercialized a medical product that she knew did not work, her machine only did a handful of tests that did not do them well at all,” Carreyrou said in an interview with CNBC last week.

In 2018, Holmes and Balwani were charged with “massive fraud” by the Securities and Exchange Commission. That led to Theranos being dissolved and Holmes settling with the SEC. She agreed to pay $500,000 without admitting or denying the charges. Balwani intends to fight the SEC charges.

The investors

Holmes once had some of the most powerful and wealthiest venture capitalists in America behind her healthcare start-up Theranos.

Investors such as media mogul Rupert Murdoch, former Education Secretary Betsy DeVos, the Walton family of Walmart fame, the Cox family, Patriots owner Robert Kraft and Mexican investor Carlos Slim became so enchanted with her they poured millions into Theranos.

Some of those investors are expected to testify in Holmes’ trial. All of the major investors, who doled out $700 million over the course of a decade, did not respond to CNBC’s request for a comment. Prosecutors allege the investors were swayed by exaggerations and misrepresentations of the blood-testing technology.

“When a deal turns into this, you don’t want to be on that list of investors anymore,” said Kevin O’Leary, chairman of O’Shares ETFs and a judge on CNBC’s “Money Court.”

O’Leary, who said about 20% of his investments have failed, didn’t mince words when asked about the fallout from Theranos investors.

“You can understand how embarrassing it is to get a zero like that,” O’Leary said. “Clearly means you didn’t do your due diligence which all investors know is a mistake. When there’s a really hot deal, what suffers immediately is the diligence process. You’re just questioning if you can get into the deal.”

According to the indictment, prosecutors say there were six wire transfers from unnamed investors that they allege were the result of fraudulent claims about what they were getting in return.

“It’s going to be highly scrutinized and the investors will be dragged back into the press again and shamed for it,” O’Leary said. “I can guarantee you this, it will change nothing. When this is over whatever happens, it will happen again. I guarantee nothing changes in regards to investment in Silicon Valley.”

A Silicon Valley tale

Instead of being an example of Silicon Valley’s best, Theranos turned into a black eye for start-ups.

One of Holmes’ defense strategies may be to blame the so-called “fake it ’til you make it” motto of Silicon Valley. Earlier this year, the judge ruled her defense team can lean on the hype and exaggeration of start-up founders to explain Holmes’ own actions. 

“It’s going to be a wake-up call for venture capitalists and young entrepreneurs in Silicon Valley,” Carreyrou said. “If you go too far, if you push the envelope and hype and exaggerate to the point of lying, it becomes securities fraud.”

However, if she’s found not guilty, some say it could encourage risk taking.

“It’s going to a take guilty verdict to course correct and even a guilty verdict in this case might not be enough,” Carreyrou said.

Mental health defense

Explosive new court documents unsealed just days before jury selection shed light on how Holmes’ lawyers might mount a mental health defense. In the filings, Holmes claims she was the victim of “a decade-long” abuse by Balwani, whom she met when she was 18.

The documents reveal she plans to claim he psychologically, emotionally and sexually abused her. According to one filing, Holmes accused Balwani of throwing sharp objects at her, controlling what she ate, when she slept, how she dressed and monitoring her calls and text messages. Balwani denied the claims.

The court filings also revealed Holmes plans to take the stand in her own defense, a move many legal experts say is a risky one.

“It’s an uphill battle: Balwani may have exercised influence on her, due to his age or prior successes,” said Danny Cevallos, an NBC News legal analyst. “But will she convince a jury that his influence excused her own conduct?”

Today, with her trial repeatedly delayed she’s now the mother of a newborn. Holmes, who once was a ubiquitous presence in the media, stays silent and ignores reporters’ questions every time she enters and exits the courthouse.

That will all change if she does indeed take the stand to finally tell her side of the story.

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Trump signals he could speak to China’s Xi about Nvidia’s ‘super duper’ chips

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Trump signals he could speak to China's Xi about Nvidia's 'super duper' chips

U.S. President Donald Trump speaks to journalists in Japan aboard Air Force One en route to South Korea on October 29, 2025.

Andrew Harnik | Getty Images News | Getty Images

U.S. President Donald Trump plans to discuss Nvidia’s advanced AI chips with Chinese President Xi Jinping during their widely expected meeting on Thursday, he told a media scrum Wednesday. 

While taking questions regarding his high-stakes meeting with Xi, Trump signaled that Nvidia’s Blackwell AI processors could be discussed. 

“We’ll be speaking about Blackwell, it’s the super duper chip,” he said. Nvidia’s “super duper chip” appeared to refer to the GB200 Grace Blackwell Superchip — its most advanced AI chip.

More broadly, Nvidia’s Blackwell architecture represents its latest generation of AI chips, or ‘graphics processing units,’ used to train and run large language models.

Trump went on to laud Nvidia’s Blackwell chips, claiming that they are about a decade ahead of any other chip.

“That’s our country. We’re about 10 years ahead of anybody else in chips — in the highly sophisticated chips. I think we may be talking about that with President Xi.” 

The comments come as Nvidia faces an uncertain future in China, once a lucrative market for the AI darling.

While export controls have long prevented Nvidia from selling its most advanced AI products to China, Washington had rolled back restrictions on the chipmaker’s less advanced, made-for-China H20 chips in July. 

Trump later indicated that he might also allow a downgraded version of Nvidia’s Blackwell chips into China.

But in a surprise move, Beijing recently stepped in to prevent its companies from importing Nvidia’s chips amid national security concerns regarding the company’s technology. As a result, Nvidia CEO Jensen Huang said earlier this month that the company is currently “100% out of China” and has no market share there.

However, many analysts view the Chinese ban as likely temporary, saying Beijing could be using Nvidia’s access to its market as leverage in its trade negotiations with the Trump administration.

Despite Trump’s remarks about Nvidia’s “super duper chip,” it seems more likely that a less advanced version would be on the table.

In August, Reuters reported Nvidia was developing a new chip for China — dubbed the B30A — that would be more powerful than the H20 and built on the Blackwell architecture.

Such a chip would hypothetically help Nvidia fend off growing competition from domestic players like Huawei, as Beijing accelerates its efforts to develop a self-sufficient AI environment.

However, semiconductor experts said a resumption of H20 exports, or an additional pathway for the B30A, would also help China’s AI ecosystem more broadly and undermine Washington’s strategy to curb Chinese access to cutting-edge computing, which began ramping up in 2022.

A report released earlier this week from the Institute for Progress, a U.S. think tank, argued that allowing B30A exports to China would dramatically shrink America’s current AI compute advantage over China.

Huang, who has long lobbied against U.S. chip restrictions, will reportedly be in South Korea at the same time as Trump this week. The Nvidia CEO is expected to make announcements with local partners, which Huang said would hopefully be “delightful to the people of Korea and really delightful to President Trump.”

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CNBC Daily Open: It’s a boom, it’s a bubble, it’s still not enough for investors: It’s AI

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CNBC Daily Open: It's a boom, it's a bubble, it's still not enough for investors: It's AI

OpenAI CEO Sam Altman (L) speaks with Microsoft Chief Technology Officer and Executive VP of Artificial Intelligence Kevin Scott during the Microsoft Build conference at Microsoft headquarters in Redmond, Washington, on May 21, 2024. 

Jason Redmond | AFP | Getty Images

Investors can’t get enough of artificial intelligence, despite worries over the sector’s excessively high valuations.

The S&P 500, Dow Jones Industrial Average and Nasdaq Composite rose Tuesday stateside, with all three notching new intraday highs. The major averages were juiced by gains in tech. Nvidia popped nearly 5%, while Microsoft climbed roughly 2%.

Both Apple and Microsoft reached a market capitalization of over $4 trillion after their shares rose. It was the first time Apple hit that milestone, though it closed just shy of that level.

Tech companies can’t get enough of each other, either.

Nvidia announced a $1 trillion investment in Nokia, which the Finnish company said will go toward developing its AI plans. For those, like me, who remember Nokia as a company that made the most desirable and bullet-proof phones: It primarily produces cellular equipment now.

Meanwhile, with its 27% stake in OpenAI’s for-profit business, Microsoft is potentially sitting on a goldmine — provided AI finds its footing as a sustainable, revenue-generating business in the long run. OpenAI on Tuesday announced it had completed its restructuring as a nonprofit with a controlling stake in its for-profit arm.

It’s not just Microsoft. Investors who have poured money into tech could potentially gain big — as Cathie Wood of Ark Invest says, “If our expectations for AI … are correct, we are at the very beginning of a technology revolution.”

What you need to know today

And finally…

Jerome Powell, chairman of the US Federal Reserve, during the International Monetary Fund (IMF) and World Bank Fall meetings at the IMF headquarters in Washington, DC, US, on Thursday, Oct. 16, 2025.

Kent Nishimura | Bloomberg | Getty Images

The Fed has a rate cut plus a bunch of other things on its plate this week. Here’s what to expect

Markets are assigning a nearly 100% probability that the Federal Open Market Committee will approve a second consecutive quarter percentage point, or 25 basis point, reduction in the federal funds rate. The overnight lending benchmark is currently targeted between 4%-4.25%.

Beyond that, policymakers are likely to debate, among other things, the future path of reductions, the challenges posed by a lack of economic data and the timetable for ending the reduction in the Fed’s asset portfolio of Treasurys and mortgage-backed securities.

— Jeff Cox

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Nvidia-supplier SK Hynix third-quarter profit jumps 62% to a record high on AI-fueled memory demand

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Nvidia-supplier SK Hynix third-quarter profit jumps 62% to a record high on AI-fueled memory demand

A man walks past a logo of SK Hynix at the lobby of the company’s Bundang office in Seongnam on January 29, 2021.

Jung Yeon-Je | AFP | Getty Images

South Korea’s SK Hynix on Wednesday posted record quarterly revenue and profit, boosted by a strong demand for its high bandwidth memory used in generative AI chipsets.

Here are SK Hynix’s third-quarter results versus LSEG SmartEstimates, which are weighted toward forecasts from analysts who are more consistently accurate:

  • Revenue: 24.45 trillion won ($17.13 billion) vs. 24.73 trillion won
  • Operating profit: 11.38 trillion won vs. 11.39 trillion won

Revenue rose about 39% in the September quarter compared with the same period a year earlier, while operating profit surged 62%, year on year.

On a quarter-on-quarter basis, revenue was up 10%, while operating profit grew 24%.

SK Hynix makes memory chips that are used to store data and can be found in everything from servers to consumer devices such as smartphones and laptops.

The company has benefited from a boom in artificial intelligence as a key supplier of high-bandwidth memory or HBM chips used to power AI data center servers. 

“As demand across the memory segment has soared due to customers’ expanding investments in AI infrastructure, SK Hynix once again surpassed the record-high performance of the previous quarter due to increased sales of high value-added products,” SK Hynix said in its earnings release. 

HBM falls into the broader category of dynamic random access memory, or DRAM — a type of semiconductor memory used to store data and program code that can be found in PCs, workstations and servers.

SK Hynix has set itself apart in the DRAM market by getting an early lead in HBM and establishing itself as the main supplier to the world’s leading AI chip designer, Nvidia

However, its main competitors, U.S.-based Micron and South Korean-based tech giant Samsung, have been working to catch up in the space.

“With the innovation of AI technology, the memory market has shifted to a new paradigm and demand has begun to spread to all product areas,” SK Hynix Chief Financial Officer Kim Woohyun said in the earnings release.

“We will continue to strengthen our AI memory leadership by responding to customer demand through market-leading products and differentiated technological capabilities,” he added.

The HBM market is expected to continue to boom over the next few years to around $43 billion by 2027, giving strong earnings leverage to memory manufacturers such as SK Hynix, MS Hwang, research director at Counterpoint Research, told CNBC.

“[F]or SK Hynix to continue generating profits, it’ll be important for the company to maintain and enhance its competitive edge,” he added.

A report from Counterpoint Research earlier this month showed that SK Hynix held a leading 38% share of the DRAM market by revenue in the second quarter of the year, increasing its shares after having overtaken Samsung in the first quarter. 

The report added that the global HBM  market grew 178% year over year in the second quarter, and SK Hynix dominated the space with a 64% share.

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