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KOSPI Slides Over 2% Amid Rising Oil Prices and Bond Yields
Electronic Technology · Semiconductors · yonhap_finance · 2026-09-11
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The KOSPI index fell over 2% to the 6,800 level as surging oil prices and rising U.S. Treasury yields weighed heavily on investor sentiment.
What Happened
Market Downturn: The KOSPI index experienced a sharp decline of over 2% during intraday trading, pressured by rising international oil prices and global interest rate concerns. The 10-year U.S. Treasury yield nearing 5% and the 3-year Korean government bond yield exceeding 4% have significantly dampened market sentiment.
Key Stock Performance: Major market heavyweights, including Samsung Electronics and SK Hynix, saw their share prices drop by approximately 4%, leading the broader market decline. Conversely, stocks such as KB Financial and Hanwha Aerospace showed resilience, trading in positive territory despite the overall bearish trend.
Investor Flows: Individual investors continued their buying streak for the second consecutive day, net purchasing 1.7 trillion KRW worth of shares. However, this was offset by heavy selling from foreign and institutional investors, who offloaded over 1 trillion KRW each during the session.
Sector Divergence: The electronics, manufacturing, and chemical sectors faced significant downward pressure, while the construction and utility sectors managed to maintain gains. The KOSDAQ index also tracked the downward trend, falling by over 1% as major stocks like EcoPro BM faced selling pressure.