Philadelphia Semiconductor Index nearly wiped out an intraday gain of about 5%; SanDisk (SNDK.O) down about 7%, Micron Technology (MU.O) down more than 4%, SK Hynix (SKHY.O) down more than 2%; Nasdaq Composite down about 0.2%.

2026-07-31

Philadelphia Semiconductor Index nearly wiped out an intraday gain of about 5%; SanDisk (SNDK.O) down about 7%, Micron Technology (MU.O) down more than 4%, SK Hynix (SKHY.O) down more than 2%; Nasdaq Composite down about 0.2%.