TLDR:Senate Banking Chair Tim Scott wants Huang to testify December 3 and Lutnick on December 10.House chairs want closed-door interviews with Huang on December 1 and Nvidia’s counsel on December 2. Megaspeed’s Malaysian sister company bought at least $4.8 billion of AI equipment with Nvidia chips. Nvidia shares closed down 4.3% on Thursday and have lost almost $500 billion since November 6.Jensen Huang, the former Nvidia CEO, faces requests to testify before Congress as lawmakers examine U.S. chip exports to China. Senate Banking Committee Chairman Tim Scott asked Huang and Commerce Secretary Howard Lutnick to appear in December. Three House committee chairs also want closed-door interviews with Huang and Nvidia’s general counsel. The inquiries center on export controls and Megaspeed, a Singapore-based Nvidia customer. Nvidia shares dropped 4.3% on Thursday after Huang resigned.Congress Widens Inquiry Into Chip ExportsScott sent his letter on November 12. He asked Jensen Huang to appear voluntarily at a public hearing on December 3. The committee has jurisdiction over export controls, including their application to Nvidia’s advanced chip exports.Scott warned that the committee is prepared to use subpoenas if Jensen Huang does not appear. He announced the requests in a tweet on Thursday evening. “The American people deserve answers,” Scott wrote.Recent reports raise serious concerns about our national security and the protection of sensitive U.S. technology.I am requesting that NVIDIA CEO Jensen Huang and Commerce Secretary Howard Lutnick testify before the Senate Banking Committee.The American people deserve… pic.twitter.com/Xu1kiNzkhW— Senator Tim Scott (@SenatorTimScott) November 13, 2026Scott also asked Lutnick to testify on December 10, citing Commerce’s central role in enforcing export rules. A Lutnick spokesperson said he had agreed to appear voluntarily. Meanwhile, the White House said President Donald Trump maintains complete confidence in him.Separately, Reps. Brian Mast, John Moolenaar and Rick Crawford wrote to Huang and Nvidia General Counsel Tim Teter. They requested closed-door interviews on December 1 and December 2. Each has until 8 p.m. on Friday to agree or face a subpoena. Commerce Under Secretary Jeffrey Kessler received an invitation to a hearing on December 3.Megaspeed Scrutiny and Market ReactionMegaspeed sits at the center of the inquiries. The New York Times reported in October that U.S. officials suspected the company of helping Chinese firms bypass chip restrictions. Its Malaysian sister company bought at least $4.8 billion of AI equipment containing Nvidia chips. Trade records cited by the Times show the purchases ran from June 2024 to February 2026.Megaspeed told the Times it hired outside counsel for an internal investigation. Nvidia has said it complies with U.S. export laws. The Times also reported that officials concluded former Megaspeed executive Alice Huang was a Chinese intelligence asset. China rejected the claim as a smear. However, Attorney General Todd Blanche said the Justice Department has not reached a conclusion.Jensen Huang admitted on Sunday to being unfaithful to his wife and resigned on Thursday. Chief Financial Officer Colette Kress will serve as interim CEO. Nvidia’s board said it has no reason to believe national security or company secrets were compromised. Additionally, Sens. Elizabeth Warren and Chris Coons asked Lutnick and others to preserve Nvidia export records.Nvidia shares closed down 4.3% at $166.19 on Thursday. They rose 2.7% in early premarket trading on Friday. The company has lost almost $500 billion in market value since November 6. Nvidia reports quarterly earnings on Tuesday, its first under Kress. China’s foreign ministry warned that tighter U.S. export controls would threaten global supply chains.The post Congress Summons Jensen Huang and Lutnick Over Nvidia Chip Exports to China appeared first on Blockonomi.