[U.S. Stock Market Opening: Mixed Performance of the Three Major Indexes] The three major U.S. stock indexes showed mixed performance, with the S&P 500 index flat, the Dow Jones Industrial Average up 0.01%, and the Nasdaq down 0.01%. In large-cap tech stocks, Nvidia rose 1.07%. For Chinese concept stocks, Trip.com fell 1.13%, NetEase fell 2.34%, Li Auto fell 3.45%, NIO fell 3.45%, and XPeng Motors fell 4.56%.