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Photo illustration of Nvidia’s H20 chip.

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Chip giant Nvidia pushed back Sunday in response to allegations from Chinese state media that its H20 artificial intelligence chips are a national security risk for China.

Earlier in the day, Reuters reported Yuyuan Tantian, an account affiliated with Chinese state broadcaster CCTV, said in an article published on WeChat that the Nvidia H20 chips are not technologically advanced or environmentally friendly.

“When a type of chip is neither environmentally friendly, nor advanced, nor safe, as consumers, we certainly have the option not to buy it,” the Yuyuan Tantian article reportedly said, adding that the article said chips could achieve functions including “remote shutdown” through a hardware “backdoor.”

In response, a Nvidia spokesperson told CNBC that “cybersecurity is critically important to us. NVIDIA does not have ‘backdoors’ in our chips that would give anyone a remote way to access or control them.”

Nvidia on Tuesday similarly rejected Chinese accusations that its AI chips include a hardware function that could remotely deactivate the chips, also known as a “kill switch.”

Tensions between the U.S. and China on semiconductor export controls have escalated in recent weeks, even after Nvidia resumed sales of its H20 chip to China. Chinese state media has framed the H20 chip as inferior and dangerous compared to Nvidia’s other chips, while the company has defended its chips.

The company’s resumption of its H20 shipments reversed a previous ban on H20 sales that was placed in April by the Trump administration. Nvidia’s H20 chips — a less-advanced semiconductor compared to its flagship H100 and B100 chips, for example — were developed by Nvidia for the Chinese market after initial export restrictions on advanced AI chips in late 2023.

U.S. export controls on some Nvidia chips are rooted in national security concerns that Beijing could use the more advanced chips to gain an advantage broadly in AI, as well as in its military applications.

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Nvidia stock over the past year.

Chinese officials, meanwhile, are pushing for the U.S. to ease export controls on high-bandwidth memory chips as part of a trade deal before a possible summit between U.S. President Donald Trump and Chinese President Xi Jinping, the Financial Times reported on Sunday, citing people familiar with the matter.

Nvidia CEO Jensen Huang has supported Trump’s policies while also lobbying for export licenses for the H20 AI chip. Huang has said he wants Nvidia to ship more advanced chips to China, underscoring his outspoken stance that Nvidia’s chips becoming the global standard for AI computing is ultimately better for the U.S. to retain market dominance and influence over global AI development.

China is among Nvidia’s largest markets. Nvidia took a $4.5 billion writedown on its unsold H20 inventory in May and has warned that its topline guidance for the July quarter would have been higher by $8 billion without the chip export restrictions.

Nvidia shares were up 1% to close at $182.70 on Friday and are up 36% this year.

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CNBC Daily Open: A Fed rate cut might not be festive enough

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CNBC Daily Open: A Fed rate cut might not be festive enough

An eagle sculpture stands on the facade of the Marriner S. Eccles Federal Reserve building in Washington, D.C., U.S., on Friday, Nov. 18, 2016.

Andrew Harrer | Bloomberg | Getty Images

On Wednesday stateside, the U.S. Federal Reserve is widely expected to lower its benchmark interest rates by a quarter percentage point to a range of 3.5%-3.75%.

However, given that traders are all but certain that the cut will happen — an 87.6% chance, to be exact, according to the CME FedWatch tool — the news is likely already priced into stocks by the market.

That means any whiff of restraint could weigh on equities. In fact, the talk in the markets is that the Fed might deliver a “hawkish cut”: lower rates while suggesting it could be a while before it cuts again.

The “dot plot,” or a projection of where Fed officials think interest rates will end up over the next few years, will be the clearest signal of any hawkishness. Investors will also parse Chair Jerome Powell’s press conference and central bankers’ estimates for U.S. economic growth and inflation to gauge the Fed’s future rate path.

In other words, the Fed could rein in market sentiment even if it cuts rates. Perhaps end-of-year festivities might be muted this year.

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And finally…

Researchers inside a lab at the Shenzhen Synthetic Biology Infrastructure facility in Shenzhen, China, on Wednesday, Nov. 26, 2025.

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U.S.-China AI talent race heats up

When it comes to brain power, “America’s edge is deteriorating dangerously,” Chris Miller, author of the book “Chip War: The Fight for the World’s Most Critical Technology,” told a U.S. Senate Foreign Relations subcommittee last week. It’s a lead that’s “fragile and much smaller” than its advantage in AI chips, he said.

Part of the difference comes from the sheer scale, especially as education levels rise in China. Its population is four times that of the U.S., and the same goes for the volume of science, technology, engineering and mathematics graduates. In 2020, China produced 3.57 million STEM graduates, the most of any country, and far outpacing the 820,000 in the U.S.

— Evelyn Cheng

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CEO of South Korean online retail giant Coupang resigns over data breach

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CEO of South Korean online retail giant Coupang resigns over data breach

Park Dae-jun, CEO of South Korean online retail giant Coupang has resigned, three weeks after the company became aware of a massive data breach that affected nearly 34 million customers.

Coupang

The CEO of South Korean online retail giant Coupang Corp. resigned Wednesday, three weeks after the company became aware of a massive data breach that affected nearly 34 million customers.

Coupang said CEO Park Dae-jun resigned due to the data breach incident — which was revealed on Nov. 18 — according to a Google translation of the statement in Korean.

“I am deeply sorry for disappointing the public with the recent personal information incident,” Park said, adding, “I feel a deep sense of responsibility for the outbreak and the subsequent recovery process, and I have decided to step down from all positions.”

Following his resignation, parent company Coupang Inc. appointed Harold Rogers, the Chief Administrative Officer and General Counsel, as interim CEO.

Coupang said that Rogers plans to “focus on alleviating customer anxiety caused by the personal information leak” and to stabilize the organisation.

Park, who joined the company in 2012, became Coupang’s sole CEO in May, after the company transitioned away from a dual-CEO system.

According to Coupang, he was responsible for the company’s innovative new business and regional infrastructure development, and led projects to expand sales channels for small and medium enterprises, among others.

South Korean companies are known for being “very, very cost-efficient,” which may have led to neglecting areas like cybersecurity, Peter Kim, managing director at KB Securities, told CNBC’s “Squawk Box Asia” Wednesday.

“I think the core issue here is that we’ve had a number of other breaches, not just Coupang, but previously, telecom companies in Korea,” Kim added. “I understand some data companies consider Korea to be [the] top three or four most breached on a data, on an IT security basis in the world.”

Coupang breach a ‘double-edged sword’ for Chinese rivals due to security concerns: KB Securities

South Korean companies have been hit by cybersecurity breaches before, including an April incident at mobile carrier SK Telecom that affected 23.24 million people. The country previously saw one of its largest cybersecurity incidents in 2011, when attackers stole over 35 million user details from internet platforms Nate and Cyworld.

Nate is one of the most popular search engines in South Korea, while Cyworld was one of the country’s largest social networking sites in the early 2000s.

Prime Minister Kim Min-seok reportedly said Wednesday that strict action would be taken against the company if violations of the law were found, according to South Korean media outlet Yonhap.

Police also raided the Coupang headquarters for a second day on Wednesday, continuing their investigation into the data breach.

Yonhap also reported, citing sources, that the police search warrant “specifies a Chinese national who formerly worked for Coupang as a suspect on charges of breaching the information and communications network and leaking confidential data.”

Last week, South Korean President Lee Jae Myung called for increased penalties on data breaches, saying that the Coupang data breach had served as a wake-up call.

— CNBC’s Chery Kang contributed to this report.

How Coupang grew into South Korea's biggest online retailer

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Amazon pledges a massive $35 billion worth of investments in India’s AI space through 2030

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Amazon pledges a massive  billion worth of investments in India’s AI space through 2030

Employees stand near an The Amazon Inc. logo is displayed above the reception counter at the company’s campus in Hyderabad, India, on Friday, Sept. 6, 2019.

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Amazon on Wednesday committed to investing over $35 billion in India’s cloud and artificial intelligence space by 2030, as hyperscalers race to get a foothold in the market. 

The commitment, unveiled at the Amazon Smbhav Summit in New Delhi, builds on nearly $40 billion already invested in the country. 

In a press release, Amazon said the new funds will target AI-driven digitization, export growth and job creation, aligning with India’s national priorities to build up its local AI environment.

By 2030, Amazon said the plan is expected to generate an additional 1 million direct, indirect, induced and seasonal jobs in India, quadruple exports to $80 billion and deliver AI benefits to 15 million small businesses.

The investment highlights Amazon’s bet on India’s booming digital economy, where it has been building fulfillment centers, data centers and payments infrastructure. 

It also comes soon after Microsoft announced plans to invest $17.5 billion in India’s AI infrastructure as Big Tech players accelerate their push into the market. 

“We are humbled to have been a part of India’s digital transformation journey over the past 15 years,” said Amit Agarwal, senior vice president for emerging markets at Amazon. 

“Looking ahead, we’re excited to continue being a catalyst for India’s growth, as we democratize access to AI for millions of Indians.”

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