TradingKey – On October 12, South Korean stocks fell sharply, with the Korea Composite Stock Price Index (KOSPI) closing down 3.65% at 6,384.25 points, breaching the 6,400-point mark. Japanese stock markets were closed today for a public holiday.

Source: TradingView

South Korean semiconductor leaders faced noticeable sell-offs. Samsung Electronics closed down 4.39% at 250,500 won (about $188); SK Hynix fell 4.52% to 1.605 million won. As major heavyweights in the South Korean stock market, the two memory chipmakers weakened in tandem, further exacerbating downward pressure on the market.

Market data shows that South Korean stock market turnover has declined by about 70% from its peak in late May. Foreign investors have accelerated capital…