U.S. stocks opened higher but closed lower, with the Dow Jones Industrial Average preliminarily closing down 0.25%, the S&P 500 down 0.6%, and the Nasdaq down 0.93%. Some leading tech stocks weakened, with Adobe (ADBE.O) down 7.5%, Meta Platforms (META.O) down 3.8%, and Broadcom (AVGO.O) down 4.1%. The Nasdaq Golden Dragon China Index closed up 0.75%.