South Korea-U.S. Ties Strained, Stock Market Volatility Rises

• South Korea-U.S. ties are strained due to intelligence leaks and investment spats.
• South Korea's KOSPI closes at a 6-month low due to chipmakers slumping on AI worries.
• South Korea plans to step up joint monitoring of stock market volatility.
• South Korea vows a strict response to disruptions in the stock market.
• The KOSPI's 6-month low is attributed to concerns over AI affecting chipmakers.