South Korea's KOSPI closed up 1,001.88 points (+17.91%) at 6,595.44 on July 31,
the largest single-day closing gain on record. SK Hynix jumped 30% to its daily
limit and Samsung Electronics rose about 27%; both set record single-day gains.
The index triggered market-wide circuit breakers twice earlier this week and
rallied roughly 18% intraday today. The KOSPI fell 22.4% in July, the
second-largest monthly drop after October 1997's 27.2%, and is about 30% below
its June peak.