[U.S. Stock Market Opens with Major Indexes Lower, Nasdaq Down 0.31%] BlockBeats reports that on July 8, according to Bit (Bit.com) market data, the U.S. stock market opened with the Dow Jones Industrial Average down 0.31%, the S&P 500 Index down 0.51%, and the Nasdaq Composite down 0.44%. SanDisk (SNDK.O) fell 1%, Micron Technology (MU.O) dropped 2.9%, Microsoft (MSFT.O) declined 1.5%, Alibaba (BABA.N) rose over 9%, and Broadcom (AVGO.O) gained 2%.