[U.S. Stock Market Opening: Major U.S. Stock Indices Open Lower] The three major U.S. stock indices opened lower collectively, with the S&P 500 down 0.33%, the Dow Jones Industrial Average down 0.71%, and the Nasdaq down 0.48%. In large-cap tech stocks, Amazon fell 1.17%, SpaceX fell 1.84%, and Tesla fell 1.89%. In Chinese concept stocks, Trip.com fell 1.18%, Pinduoduo fell 1.26%, NetEase fell 4.38%, Bilibili fell 4.66%, and Alibaba fell 4.98%.