[U.S. Stock Market's Three Major Indexes Open Higher, Amazon Rises Over 11%] BlockBeats News, July 31, according to BIT ((bit.com)) market data, U.S. stock markets opened with the three major indexes rising. The Dow Jones rose 0.5%, the S&P 500 Index rose 0.5%, and the Nasdaq rose 0.8%. Apple (AAPL.O) fell 8% as its Q4 revenue guidance missed expectations. Amazon (AMZN.O) rose over 11%, with Q2 cloud business growth hitting a four-year high.