[U.S. Stock Market Opens with Mixed Performance Among the Three Major Indexes] The U.S. stock market opened with mixed performance among the three major indexes. The Nasdaq opened down 0.60%, the Dow Jones Industrial Average rose 0.19%, and the S&P 500 Index fell 0.38%. Oracle dropped more than 14% as the company's second-quarter revenue and cloud business income both missed market expectations. Disney rose 0.4%, as the company plans to make a $1 billion equity investment in OpenAI.