KRX
- SK Securities Extends Rally as SK Hynix Hands It a 40 Trillion Won Buyback Mandate
SK Securities shares surged for a second straight day on August 21 after being named broker for SK Hynix's 40 trillion won share buyback program.
- KOSPI Plunges 8%, Triggering Circuit Breaker as Index Sinks Below 7,500
South Korea's KOSPI crashed roughly 8% intraday, breaching the 8,000 and then 7,500 levels and forcing an emergency circuit-breaker trading halt.

