Overview
- The index closed at 4,004.42 after dropping as low as about 3,867.81 during the session.
- The Korea Exchange activated a sell-side “sidecar” once futures slid more than 5%, marking the first sell-side halt since April 7.
- Foreign investors were net sellers of roughly 2.5 trillion won on the day and nearly 5 trillion won over two sessions, outweighing retail purchases of about 2.6 trillion won as institutions sold around 79 billion won.
- The won weakened to approximately 1,449.4 per dollar, its lowest level since early April.
- Samsung Electronics and SK hynix retreated from recent highs to close at 100,600 won and 579,000 won as investors reacted to AI valuation warnings, U.S. shutdown concerns, and a new U.S. ban on Nvidia’s latest AI chip exports to China.