A U.S. lawmaker plans to introduce legislation in coming weeks to verify the location of artificial-intelligence chips like ...

China’s commerce ministry opened a probe into optical-fiber products, investigating claims that U.S. makers of some types of fiber violated China’s antidumping measures. The investigation is ...

The effort to keep tabs on the chips, which drew bipartisan support from U.S. lawmakers, aims to address reports of widespread smuggling of Nvidia's chips into China in violation of U.S. export ...