TradingKey – On Friday (October 23) US Eastern Time, US memory stocks rebounded collectively after a sharp drop in the previous trading session. SK Hynix (SKHY) rose over 6% in pre-market trading, SanDisk (SNDK) and Silicon Motion (SIMO) gained over 3%, and Micron Technology (MU) rose more than 2%.

This rally was first and foremost a technical rebound following a concentrated sell-off in the memory sector. On Thursday, concerns heightened over returns on AI infrastructure investments, reliance on external funding, and the sustainability of tech company capital expenditures, causing the Philadelphia Semiconductor Index to plummet about 6.7%. Micron fell 6.3%, SanDisk dropped 8.5%, and SK Hynix ADR plunged over 8%, pushing short-term…