The previous version incorrectly stated that Washington lawmakers are considering new restrictions on exports of AI chips to China. The pulse has been updated.
U.S. stock indexes opened lower on Wednesday as chip stocks tumbled after a report that the Biden Administration is considering new curbs on export of computing chips for artificial intelligence to China as early as July, while investors awaited Federal Reserve Chair Jerome Powell’s speech for clues on the interest-rate outlook. The Nasdaq Composite COMP, -0.18% dropped 43 points, or 0.3%, to 13,510, while the S&P 500 SPX, -0.32% was off 0.3% and the Dow Jones Industrial Average DJIA, -0.