On February 13, all three major U.S. stock indices experienced a collective downturn at the closing bell. Specifically, the Dow Jones Industrial Average dropped by 1.34%, the Nasdaq Composite Index took a 2.03% hit, and the S&P 500 Index saw a 1.57% decrease. In contrast, memory-related stocks displayed a robust performance during the morning trading session. Although the overall market closed lower, Seagate Technology and SanDisk (a subsidiary of Western Digital) managed to rise by more than 5%, while Western Digital itself posted a gain exceeding 3%.