[The three major U.S. stock indexes opened lower collectively, storage sector broadly declined, Micron fell over 3%] BlockBeats news, on October 7, according to BIT (bit.com) market data, U.S. stocks opened with the Dow Jones down 0.62%, the S&P 500 index down 0.45%, and the Nasdaq down 0.61%. The storage sector broadly declined, Micron Technology (MU.O) fell over 3%, SK Hynix (SKHY.O) fell over 2%.