SK Hynix is trading 3.37% lower at $187.96 now as broader risk-off pressure weighs on U.S. equities. - The Nasdaq Composite is down 1.17%, while rising oil prices are pushing the 10-year Treasury yield toward 4.99%. - No clear company-specific negative announcement was identified on September 23, 2026. - Recent news highlighted SK hynix Ventures and continued AI investment; South Korean semiconductor shares initially gained.