Memory Stocks Blast Off: Micron, SK Hynix, SanDisk, Western Digital, and Seagate All Rally Double-Digits - 24/7 Wall St. Stock Market Live July 30, 2026: S&P 500 (SPY) Pivoting from Fed-Induced Drop Memory Stocks Blast Off: Micron, SK Hynix, SanDisk, Western Digital, and Seagate All Rally Double-Digits By David Moadel Published Jul 30, 10:44AM EDT Quick Read SanDisk surged 22% and Micron climbed 15% as Samsung warned of tightening memory supplies, potentially boosting pricing power for manufacturers. Wester ...