SENATE REPUBLICAN THREATENS TO SUBPOENA NVIDIA CEO JENSEN HUANG Sen. Kevin Cramer says Nvidia (NVDA ) CEO Jensen Huang should step down, citing national security and potential Chinese blackmail risks. Speaking on CNBC, Cramer warned that Congress could investigate Nvidia's China chip exports and Commerce Secretary Howard Lutnick's handling of restrictions. “I'd be happy to support a subpoena,” Cramer said if Huang refuses to testify. He also backed tighter AI chip export controls, warning that China's access to advanced US technology poses serious security risks.(彭博社)