Top 10 gainers — October 2, 2026
KOSPI & KOSDAQ, ranked by daily change at the close
| # | Stock | Close | Change | Value traded |
|---|---|---|---|---|
| 1 | SJ GroupKOSDAQ 에스제이그룹 | ₩1,965 | +30.0% | ₩507M |
| 2 | TMCKOSPI 티엠씨 Chip and display parts maker TMC surges 29.95% on foreign buying and semiconductor sector strength | ₩18,440 | +29.9% | ₩99.5bn |
| 3 | PJ ElectronicsKOSDAQ 피제이전자 PJ Electronics surges on expectations of rising demand for robotics and smart-factory components. | ₩5,690 | +29.9% | ₩8.9bn |
| 4 | MercuryKOSDAQ 머큐리 Mercury surges on foreign and institutional buying as Kospi reclaims 7,000 | ₩6,250 | +29.8% | ₩23.8bn |
| 5 | Nara Space TechnologyKOSDAQ 나라스페이스테크놀로지 Aerospace stocks rally on global LEO satellite network development and momentum from the new space agency. | ₩17,410 | +22.9% | ₩146.8bn |
| 6 | Derkwoo ElectronicsKOSDAQ 덕우전자 Deokwoo Electronics surges as AI data center expansion fuels demand for optical communications. | ₩5,290 | +19.9% | ₩34.6bn |
| 7 | Hyungji Innovation and CreativeKOSDAQ 형지I&C | ₩450 | +19.4% | ₩646M |
| 8 | Dongkuk IndustriesKOSDAQ 동국산업 Dongkuk Industries gains on offshore wind and power grid investment prospects tied to AI data center demand, alongside improved pricing power for small-cap steelmakers. | ₩3,970 | +18.9% | ₩27.7bn |
| 9 | Lotte Energy MaterialsKOSPI 롯데에너지머티리얼즈 Battery materials firm rallies as North American plant normalization boosts production of high-value copper foil. | ₩50,800 | +18.3% | ₩67.7bn |
| 10 | Lithium-For-EarthKOSDAQ 리튬포어스 | ₩3,020 | +18.2% | ₩1.8bn |
Click a stock for its current price and chart. This page is the archived record for October 2, 2026.