Nvidia and its chief executive, Jensen Huang, have been named in a federal securities class action lawsuit in California, accusing the company of misleading investors regarding Huang’s personal relationship with an alleged Chinese intelligence asset and the subsequent national security risks facing the $4.3 trillion semiconductor giant. The legal action follows statements from Donald Trump confirming an FBI inquiry into the matter, alongside a steep stock market sell-off that wiped roughly $190 billion off Nvidia’s market capitalization in a single trading session. Key Points of the Complaint Failure to Disclose Material Risks: The lawsuit, spearheaded by retail investor Mark Kistenmacher, alleges that Nvidia and Huang concealed an affair with Alice Huang—a former executive at Singapore-based Megaspeed—despite US authorities assessing her as an intelligence operative for China. Shareholders argue this omission hid significant reputational, operational, and regulatory exposure. Misleading Public Statements: Plaintiffs cite Nvidia’s earlier response to investigative reporting, where the company characterized interactions with Alice Huang as standard CEO-client meetings, arguing that description was intentionally deceptive given the personal relationship. Scrutiny Over Chip Diversion: The complaint highlights scrutiny surrounding Megaspeed, a firm facing investigations over whether it acted as a conduit to bypass US export controls by rerouting advanced Nvidia AI chips to mainland China. Market Impact and Company Reactions DevelopmentDetailsShare Price ReactionNvidia stock fell 4.3% on Monday, erasing roughly $190 billion in valueClass Action FilingLodged in California federal court minutes after the closing bellInternal ReviewNvidia launched an independent board inquiry into potential foreign intelligence targetingCEO AdmissionHuang acknowledged marital infidelity in a public statement while denying knowledge of espionage activitiesFederal ProbeThe FBI is reviewing whether proprietary data or national security protocols were compromised Official Statements Huang addressed the controversy in an open letter posted to 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.” Commenting at a White House press briefing, Donald Trump confirmed the active federal investigation while downplaying Huang’s direct culpability: “I know the FBI is looking into it in terms of something else, and I think that he’ll be in good shape. He said he had absolutely no idea that the person in question was a spy.” Post navigation US Midterms 2026: GOP Supporter Urges Informed Voting, Declares Party ‘Bigger Than Trump’