Philadelphia Semiconductor Index fell about 4% to 11,265.94. Memory sector dropped roughly 7%; SanDisk (SNDK.O) slid over 10%, Western Digital Corp (WDC.O) fell more than 7%, and SK Hynix (SKHY.O) and Micron Technology (MU.O) declined over 6%.

2026-08-24

Philadelphia Semiconductor Index fell about 4% to 11,265.94. Memory sector dropped roughly 7%; SanDisk (SNDK.O) slid over 10%, Western Digital Corp (WDC.O) fell more than 7%, and SK Hynix (SKHY.O) and Micron Technology (MU.O) declined over 6%.