[U.S. Stock Market's Three Major Indexes Open Higher] The three major U.S. stock indexes opened higher, with the Dow Jones Index up 0.37%, the S&P 500 Index up 0.41%, and the Nasdaq Composite Index up 0.52%. Google opened up 2.5%, as company executives revealed that the company needs to double its computing power every six months to meet demand. Nvidia opened up 0.3%.