Seoul stocks crash 10 percent as leveraged chip ETFs unwind
South Korea’s KOSPI index suffered its largest recorded one-day fall on Tuesday, June 23, 2026, dropping 9.99% to close at 8,203.84 and triggering two circuit breakers in a single session. The selloff was led by technology shares after a rapid and disorderly unwinding of newly launched leveraged single-stock exchange-traded funds...

