Nvidia (NVDA) stock fell nearly 3% Thursday, extending the AI chipmaker's 7% decline the prior day after disclosing that the US government had effectively banned exports of its chips to China ...

Chipmaker Nvidia said it is building new factories that can produce its AI supercomputers entirely on U.S. soil as trade war tensions build with top chipmaking countries such as China and Taiwan.

By Meaghan Tobin Reporting from Taipei, Taiwan A day after the U.S. government opened an investigation into whether Nvidia, America’s leading chipmaker, violated rules with its sales to China ...