[U.S. Stock Market Opening: Major Indexes Open Higher] The three major U.S. stock indexes opened higher collectively, with the Dow Jones up 0.29%, the Nasdaq up 0.94%, and the S&P 500 up 0.63%. Hesai surged nearly 10% after releasing the Fermi C500, a specialized intelligent main control chip for LiDAR based on the RISC-V architecture. Novo Nordisk fell over 9% as the late-stage trial results of semaglutide for Alzheimer's disease failed to meet expectations.