[U.S. Stock Market's Three Major Indexes Open Sharply Higher, Nasdaq Up Over 3%] According to Golden Finance, on April 8, U.S. stock market's three major indexes opened sharply higher, with the Nasdaq up 3.65%, the S&P 500 up 2.08%, and the Dow Jones up 2.61%. The chip and storage sectors saw broad gains. Micron Technology and SanDisk rose over 9%, while Western Digital and Seagate Technology rose over 7%.