[U.S. Stock Market Opening: Mixed Performance Among the Three Major Indexes] The three major U.S. stock indexes showed mixed performance, with the S&P 500 up 0.12%, the Dow Jones down 0.09%, and the Nasdaq up 0.32%. In large-cap tech stocks, AMD rose 1.28%, Meta gained 1.15%, and SpaceX increased 1.05%. Among Chinese concept stocks, JD.com fell 1.11%, Bilibili dropped 1.32%, Trip.com declined 2.23%, XPeng Group slid 3.32%, Li Auto decreased 3.33%, and NIO fell 4.32%.