SK Square is trading at KRW 809,000 (-10.01%) at the November 5 close as investors worried tighter U.S. data-center regulation could delay projects and weaken chip demand.

  • It fell alongside Korean semiconductor and AI-infrastructure stocks; Yonhap-linked reporting listed it among the session’s sharp decliners.
  • Foreign investors sold heavily across the KOSPI; no distinct SK Square-specific announcement explaining the decline was identified.
  • Trading-volume details were unavailable in the provided context and retrieved reports.