SOX Surges 270 Points, Snapping Five-Day Slide, Led by SK Hynix and AMD

The Philadelphia Semiconductor Index jumped 270.13 points (2.31%) to 11,944.01 on July 20, 2026, ending five straight losing sessions. SK Hynix rose 5% and AMD 4%, leading a rebound concentrated in select names rather than across the chip complex. The VanEck Semiconductor ETF gained over 2%. Whether participation widens will determine if the recovery holds.