Why Is SK Hynix (SKHY) Stock Price Up 13.75% Today, July 21? AI Memory Price Optimism Fuels a Sharp Rebound
SK Hynix (SKHY) rose exactly 13.75% to $171.94 on July 21, 2026 as a broad memory-chip rebound followed renewed optimism about AI-driven memory pricing. Read the daily analysis of SK Hynix's memory-cycle outlook, momentum risk and key technical levels.