U.S. MEMORY AND DATA STORAGE STOCKS PLUNGE IN BROAD SELLOFF Memory and storage stocks are falling sharply as selling pressure spreads across the sector. Western Digital (WDC ): -6.5% Seagate (STX ): -6.1% SK Hynix: -4.8% Micron (MU ): -4.7% SanDisk (SNDK ): -4.1% Broad-based weakness across memory chips and data storage companies.(彭博社)