President Yoon Suk Yeol’s rescinded martial law declaration will test relations with the U.S., and raises questions about the nearly 30,000 American troops in the country.

South Korea’s Kospi closed 1.4% lower to 2,464.00. Shares of Samsung Electronics, the country's biggest company, fell 0.9%. Meanwhile, the country’s financial regulator said they were prepared to deploy 10 trillion won ($7.07 billion) into a stock market stabilization fund at any time, the Yonhap news agency reported.