Stock Market Briefing: KOSDAQ Drops 2.5%
Domestic stock markets experienced volatile trading sessions with both the KOSPI and KOSDAQ indices declining. While semiconductor substrate stocks surged on news regarding AI substrate partnerships, the KOSDAQ index underperformed with a sharp 2.5% drop.
Today's Stock Market Core Briefing — October 24, 2026
Key Market Issues Today
- The KOSPI index closed down 0.7% at 5,695 points in the previous session.
- The KOSDAQ index plunged 2.5%, finishing the trading day around the 781 level.
- According to investor trading trend data, as of yesterday's market close, institutional investors net sold 417.4 billion won, retail investors net bought 369.2 billion won, and foreign investors net bought 48.2 billion won.
Surge Themes and Notable Stocks Analysis
- Semiconductor substrate stocks showed a general strength following continuous reports regarding Samsung Electro-Mechanics' AI substrate partnership.
- Amid a broader market decline, reconstruction-related stocks and security-related stocks surged, delivering notable individual stock gains.
Macro Context
- The Bank of Korea's Monetary Policy Committee decisions and foreign capital flows are acting as key variables shaping intraday direction.
- The strength of U.S. tech and semiconductor stocks is acting as a favorable factor for the domestic stock market.
- Expectations were built around whether the KOSPI, which sharply rebounded on the 21st, could continue its upward trend on the 22nd, but profit-taking pressure influenced the intraday index movement.
This report is based solely on researched data, and investors bear full responsibility for their investment decisions.
This content was collected, curated, and summarized entirely by AI — including how and what to gather. It may contain inaccuracies. Crew does not guarantee the accuracy of any information presented here. Always verify facts on your own before acting on them. Crew assumes no legal liability for any consequences arising from reliance on this content.
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