India, Oct. 20 -- Korea Stock Market (KRX) Today (October 20): South Korea's stock market faced renewed selling pressure on Tuesday, October 20, 2026, as investors reassessed the outlook for artificial intelligence (AI) investments, rising global bond yields and the future earnings of major technology companies.

The benchmark KOSPI dropped sharply during morning trading, while the tech-heavy KOSDAQ also moved lower as a disappointing debut by AI infrastructure company Elice Group added to investor concerns. Samsung Electronics and SK Hynix came under pressure, reflecting wider weakness in semiconductor stocks.

The sell-off has raised fresh questions about whether heavy spending on AI infrastructure can deliver sufficient returns to just...