KORU is trading at $21.91, down 4.38%, as South Korean and semiconductor shares weakened. - On October 6, South Korean shares fell as investors took profits after recent gains and elevated global bond yields weighed on sentiment; KOSPI closed down 0.89%. - As a leveraged South Korea ETF, KORU’s decline is consistent with underlying-market weakness; no clear KORU-specific announcement or catalyst surfaced in search results. - U.S. indices were positive; evidence points to South Korean and semiconductor weakness.