Nvidia and its chief executive, Jensen Huang, have been accused of misleading shareholders in a lawsuit over the Chinese spying scandal engulfing the $۴.۳tn (£۳.۲tn) company.
The legal action came as Donald Trump said the FBI was investigating Huang’s affair with an alleged Chinese spy.
According to a complaint filed in federal court in California, Nvidia and Huang misled shareholders in connection with the executive’s alleged affair with Alice Huang, a former executive of Singapore-based Megaspeed, who is not related to him.
The lawsuit claims both parties did not disclose that the matter raised national security concerns that threatened the chipmaker’s reputation and business prospects.
The New York Times reported on the alleged relationship last month, and said US authorities had concluded Alice Huang was a Chinese intelligence asset.
Nvidia described its executive’s interaction with Alice Huang as “not unusual or unexpected” in a comment submitted to the New York Times last month, adding that “meetings with customers are part of a CEO’s job; Jensen talks with thousands of customer executives every year”.
On Sunday, Huang admitted he had been “unfaithful” to his wife, without identifying the person involved in the affair.
The lawsuit claims the NYT statement was “materially false and misleading at the time it was made because Jensen Huang had an affair with Alice Huang.”
It also accused the company of making false and misleading statements about its relationship with Megaspeed, which has reportedly been investigated over suspicions that it may have been diverting Nvidia chips to China in contravention of US export restrictions.
Huang said in an interview published on ۳۰ October that “we’ve studied all their [Megaspeed] deployments of our GPUs and counted every one”. He added: “And I think the US government also has as well.”
In a statement last year Megaspeed said it has acted “fully in compliance with all applicable laws, including US export control regulations”.
Nvidia announced on Sunday it was conducting an independent investigation into reports that Huang was the “target of a foreign intelligence effort”. Shares in the company fell on Monday, closing down ۴.۳%, reducing Nvidia’s market value by approximately $۱۹۰bn. The lawsuit was filed five minutes after the US stock market closed.
Nvidia and Megaspeed did not immediately respond to a request for comment on the lawsuit.
Huang co-founded Nvidia in ۱۹۹۳ and has led the California company as it became the world’s most valuable chipmaker and made him one of the world’s most prominent symbols of the artificial intelligence boom.
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It is common for shareholders to sue companies after unexpected share price declines. Nvidia shareholders, led by Mark Kistenmacher, a retail investor, are seeking unspecified damages from the defendants in the class action suit, the term for a legal action where a person or small group of people sues an entity on behalf of a larger group.
Several US law firms have announced investigations into whether Nvidia misled investors and have asked shareholders to get in touch.
Trump said on Monday that the FBI is investigating Huang’s affair but said he did not think the executive had a reason to worry.
“I know the FBI is looking into it in terms of something else, and I think that he’ll be in good shape,” Trump said at a White House briefing.
“I did speak to him today just to see if he’s feeling all right, how you’re doing,” Trump said. “He said he had absolutely no idea that the person in question was a spy.”
Huang said in an open letter posted on Nvidia’s website: “I support the investigation and will cooperate fully. I love our country and our company. I am committed to protecting Nvidia and supporting America’s national security,”
Reuters contributed to this report
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