KOSPI Surges Over 6%, Triggers Sidecar Mechanism as Semiconductor Stocks Rally Across Asia and US

According to BlockBeats, on July 22, South Korea's KOSPI index rose over 6% during trading, triggering the Sidecar mechanism that halted program trading. SK Hynix surged over 9% and Samsung Electronics rose over 6%, leading the semiconductor rally.

Japan's Nikkei 225 index climbed 1.7%, with chip stocks leading gains including Kioxia up over 8% and Rohm Semiconductor up over 4%. Overnight, the U.S. Philadelphia Semiconductor index (Philadelphia's benchmark semiconductor index) closed up 5.21%, with all 30 components gaining. Intel and AMD rose over 8%, Arm gained over 7%, and TSMC ADR advanced over 5%. Memory stocks surged notably, with SanDisk up over 14% and SK Hynix ADR up over 13%.