[U.S. Stock Market Opening: The Three Major Indexes Open Lower] The three major U.S. stock indexes opened lower, with the Dow down 0.24%, the Nasdaq down 0.61%, and the S&P 500 down 0.44%. Alibaba rose nearly 4% following news that Alibaba is preparing to revamp its flagship AI application 'Tongyi' and rename it 'Qwen,' fully aligning with the ChatGPT model. Cisco rose over 5% as its first-quarter earnings exceeded expectations, and it raised its full-year revenue guidance.