The head of a House of Representatives panel on China told U.S. Commerce Secretary Howard Lutnick that resuming sales of Nvidia's H20 chips to China threatens to advance Beijing's AI capability, stepping up his criticism of the decision and saying the original ban was "the right call.

Nvidia stock's surge looks poised to accelerate because investors' biggest concern about the company -- losing the Chinese data center AI chip market -- is now a non-issue.