[Weekly Market Review] KOSPI Reclaims 7,000—yet Two-Thirds of Stocks Fell as Samsung Electronics Rose 9%
September 21–23, 2026: This summary counts three trading days for the KOSPI and KOSDAQ using closing prices. The Korean market closed Wednesday (September 23) for the Chuseok holidays beginning Thursday. Three takeaways 1. KOSPI rose from 6,894.23 to 7,080.92 in three trading days, a gain of 2.71%. The 7,080.92 close is the highest since July 23 (7,096.89), before the plunge. 2. Yet only 933 of 2,759 listed stocks rose—33.8%. The median stock return was -0.72%. 3. September 1–20 semiconductor exports totaled $34.1 billion, representing 47.8% of total exports. Samsung Electronics rose 9.39%, SK Hynix +0.27%. The index gained 187 points in four trading days Monday +1.65%, Tuesday +0.15%, Wednesday +0.90%. KOSPI opened at 6,894.23 and closed at 7,080.92. Over three trading days, a +2.71% gain . KOSDAQ rose from 827.12 to 844.48, a gain of 2.10%. The shortened week was due to Chuseok holidays. The Korean market closed Thursday–Saturday (September 24–26), making Wednesd...