U.S. stocks rebound, three major indices open high

News on August 6, U.S. stocks opened higher, with the Dow Jones up 50 points, the S&P 500 index up 0.35%, and the Nasdaq up 0.4%. AI chip concept stocks generally rose, with Nvidia (NVDA.O) up by 3.6%, Taiwan Semiconductor Manufacturing Company (TSM.N) up by 1.8%, and Microsoft (MSFT.O) up by 1%. Lucid Group (LCID.O) surged by10% as its second-quarter revenue exceeded expectations; Palantir (PLTR.N) rose by12% after the company raised its annual performance guidance; Uber(UBER.N) increased by6% after earnings report.