[U.S. stock market opens, Dow Jones opens flat] According to Golden Finance, the U.S. stock market opened with the Dow Jones opening flat, the S&P 500 index down 0.05%, and the Nasdaq down 0.18%. Alibaba (BABA.N) rose 2.18%, Meta Platforms (META.O) fell 0.75%. It is reported that Meta has shifted to a closed-source model and optimized its new AI model Avocado using the General Purpose Model. GameStop (GME.N) fell 6.1% as its third-quarter revenue missed expectations.