India, Aug. 19 -- Korea Stock Market (KRX) Today: South Korea's stock market came under intense selling pressure on Wednesday, August 19, as a sharp sell-off in technology and semiconductor stocks dragged the benchmark KOSPI down more than 5%. The index fell to an intraday low of 6,400.81 before closing at 6,509.24, down 5.25% in a single trading session.

Major chipmakers Samsung Electronics and SK Hynix led the losses, falling 7.26% and 8.60%, respectively, as investors booked profits and reduced exposure to high-valued AI and semiconductor stocks. The decline also triggered the Korea Exchange's sidecar trading halt, highlighting the intensity of the market volatility.

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