Lawmakers want closed-door and public sessions on national security risks in AI chip access, and Nvidia has a new interim CEO and first board chair.
Nvidia's finance chief will lead the company on an interim basis while shares dropped nearly 12% in early trading.
Shares fell more than 4% on the first trading day after the investigation was announced, and a law firm is preparing a class action.
The request follows reports that Chinese intelligence targeted Huang through an associate at Megaspeed, a claim Nvidia and China both reject.