237350.KS is trading at KRW 69,130.00, down 3.10%, with semiconductor weakness a possible drag; the precise session catalyst is uncertain.

  • Reports on the KOSPI’s October 21 selloff cited renewed doubts about AI profitability, rising Treasury yields, geopolitical uncertainty, and selling in concentrated semiconductor-heavy names.
  • Other reports cited foreign selling and concerns about Chinese memory-chip competition; a separate report described a KOSPI rebound, conflicting with the supplied price context.