[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 down 0.05%, the Dow Jones down 0.3%, and the Nasdaq up 0.01%. Among major tech stocks, AMD rose 4.74%, and NVIDIA rose 1.85%. As for Chinese concept stocks, XPeng Motors fell 1.05%, Alibaba fell 1.16%, and JD.com fell 1.60%.