Top 10 gainers — October 15, 2026
KOSPI & KOSDAQ, ranked by daily change at the close
| # | Stock | Close | Change | Value traded |
|---|---|---|---|---|
| 1 | 멜콘KOSDAQ Melcon surges in KOSDAQ debut, defying a broad market selloff on strong buying and momentum. | ₩17,470 | +42.0% | ₩572.1bn |
| 2 | DuchembioKOSDAQ 듀켐바이오 Dukembio jumps, outpacing the market on company-specific upside and inflows in pharma and biotech. | ₩8,970 | +30.0% | ₩25.3bn |
| 3 | Nuin TEKKOSDAQ 뉴인텍 | ₩780 | +30.0% | ₩2.6bn |
| 4 | BioinfraKOSDAQ 바이오인프라 | ₩2,575 | +30.0% | ₩767M |
| 5 | YangjisaKOSDAQ 양지사 Yangjisa surges as rising demand for digital payments and security draws investors to commercial services stocks. | ₩6,170 | +29.9% | ₩28.1bn |
| 6 | CJ Seafood 1st Pref.KOSPI CJ씨푸드1우 | ₩5,520 | +29.9% | ₩54M |
| 7 | HyperKOSDAQ 하이퍼코퍼레이션 | ₩3,265 | +29.8% | ₩1.6bn |
| 8 | Automobile & PCBKOSPI 에이엔피 | ₩379 | +29.8% | ₩2.5bn |
| 9 | NgenebioKOSDAQ 엔젠바이오 NGeneBio hits limit-up on heavy buying as gene therapy and dementia plays diverge. | ₩890 | +20.9% | ₩6.3bn |
| 10 | SM BexelKOSPI 에스엠벡셀 SM Vaccell climbs 18.91% on retail buying, rallying alongside Melcon and related stocks. | ₩3,175 | +18.9% | ₩130.6bn |
Click a stock for its current price and chart. This page is the archived record for October 15, 2026.