[U.S. Stock Market Opens with Broad Gains Across Major Indexes, SK Hynix, Micron, and SanDisk Up 4%] BlockBeats News, July 20: At the opening of the U.S. stock market, the Dow Jones Industrial Average rose 0.27%, the S&P 500 Index gained 0.54%, and the Nasdaq Composite Index climbed 0.8%. Google (GOOG.O) increased by 2%, with media reporting that the company is developing a new chip to enhance the efficiency of AI models. The storage sector saw broad gains, with SK Hynix (SKHY.O), Micron Technology (MU.O), and SanDisk (SNDK.O) up 4%, while Western Digital (WDC.O) and Seagate Technology (STX.O) rose approximately 3%.