Nvidia Stock Falls After Trump Essentially Blocks China AI Chip Sales Investor's Business DailyTech shares fall after Nvidia says new US controls on exports of AI chip will cost it $5.5 billion AP NewsTrump administration backs off Nvidia's 'H20' chip crackdown after Mar-a-Lago dinner NPRNewsom invokes Nvidia's stock drop as Trump spars with China MarketWatchNvidia could be hit hard by the new chip export license. Analysts warn the big decision is