SK hynix closes down 10.1% in Seoul on CXMT claim and heavy foreign selling

SK hynix's Seoul shares closed 10.09% lower at 1,443,000 won on October 13, Samsung Electronics fell 7.39%, and the KOSPI closed down 5.46% at 6,035.35. Foreign investors sold a net 4.51 trillion won. Causes cited were CXMT's 4F² claim, a Financial Times report that OpenAI's annualized revenue was about 30% below a previously reported figure, and the loss of share buybacks that had been cushioning the stock.

• SK hynix Seoul close: down 10.09% to 1,443,000 won
• Samsung Electronics: down 7.39% to 232,000 won
• KOSPI close: down 5.46% to 6,035.35
• Foreign net selling: 4.51T won