[U.S. Stock Market Opening: Major U.S. Stock Indices Open Higher] The three major U.S. stock indices opened higher collectively, with the S&P 500 Index up 0.42%, the Dow Jones Industrial Average up 0.42%, and the Nasdaq Composite Index up 0.34%. Among large-cap tech stocks, Amazon rose 1.04%. As for Chinese concept stocks, Li Auto rose 2.31%, and Trip.com rose 2.07%.