KOSPI fell to 7,000, down 1.55% intraday. SK Hynix -1.8%, Samsung Electronics -1.4%. South Korean regulators advanced by three days an incre

KOSPI fell to 7,000, down 1.55% intraday. SK Hynix -1.8%, Samsung Electronics -1.4%. South Korean regulators advanced by three days an increase in cash deposit requirements for single-stock leveraged ETF trading.