[U.S. Stock Market's Three Major Indexes Open Higher, Storage Concept Stocks Rise] Jin10 Data reported on July 27 that at the opening of the U.S. stock market, the three major indexes opened higher. The Dow Jones rose 0.9%, the S&P 500 Index rose 0.7%, and the Nasdaq rose 1%. Storage concept stocks moved higher, with SK Hynix (SKHY.O) up more than 2% and SanDisk (SNDK.O) up 1%.