402340.KS fell about 9.30% to â‚©1,356,000 on July 7th, driven by: - A broad semiconductor sector sell-off following Morgan Stanley's 'reduce exposure' warning. - Profit-taking in Korean chip stocks after Samsung Electronics' strong but 'exhausting' earnings announcement. - Dilution concerns for SK Square's significant SK Hynix stake amidst its ongoing Nasdaq ADR listing process.