KOSPI Closes Up 2.66%…SK hynix Rises 4.70%
KOSPI closed at 6,894.23 on the 18th, up 2.66% from the previous trading day. On both KOSPI and KOSDAQ, advancing stocks outnumbered declining stocks, while trading values were recorded at 37조1,855억원 and 9조269억원, respectively.
Market at a Glance
Of the 885 stocks on KOSPI, 453 rose, 381 fell, and 51 were unchanged. Foreign investors, institutional investors, and other investors were net buyers, while retail investors were net sellers. Of the 1,714 stocks on KOSDAQ, 1,032 rose, 590 fell, and 92 were unchanged. On KOSDAQ, foreign investors were net sellers, while retail investors, institutional investors, and other investors were net buyers. The average change rate was 0.60% for KOSPI and 0.84% for KOSDAQ.
Market Leaders
SK hynix, classified as a leading stock by trading value, rose 4.70% to 1,849,000 won. Trading volume was 6,478,403 shares, trading value was approximately 1조1,912억원, and its change rate over the past five trading days was 0.93%. Samsung Electronics rose 1.56% to 260,000 won, recording trading volume of 24,067,181 shares and trading value of approximately 6,265억원. Samsung Electronics’ change rate over the past five trading days was -0.76%.
Stocks in Focus
Sungho Electronics rose 22.22% to 26,400 won. Trading volume was 20,049,355 shares, and its change rate over the past five trading days was 51.03%. Daehan Gwangtong Shin rose 14.07% to 18,400 won, with trading volume of 55,512,094 shares, trading value of approximately 1,005억원, and a change rate over the past five trading days of 30.04%. Gaon Cable rose 22.16% to 322,500 won, recording trading volume of 2,885,560 shares, trading value of approximately 898억원, and a change rate over the past five trading days of 26.97%.
Key Disclosures
SK hynix received a “Response to Request for Inquiry Disclosure (Rumor or Report) (Not Confirmed)” on the day. Samsung Electronics received a “Report on Changes in Shareholdings Owned by the Largest Shareholder, etc.” and a “Report on the Status of Holdings of Specific Securities, etc. by Officers and Major Shareholders.” Sungho Electronics disclosed a “Major Matters Report (Designation of a Person Exercising a Purchase Option for Convertible Bonds),” while Gaon Cable disclosed a “Report on Trading Plans for Specific Securities, etc. by Officers and Major Shareholders.”
- 삼성전자 · 최대주주등소유주식변동신고서 (005930) — View DART filing
- 삼성전자 · 임원ㆍ주요주주특정증권등소유상황보고서 (005930) — View DART filing
- 성호전자 · 주요사항보고서(전환사채매수선택권행사자지정) (043260) — View DART filing
- SK하이닉스 · 조회공시요구(풍문또는보도)에대한답변(미확정) (000660) — View DART filing
- 가온전선 · 임원ㆍ주요주주특정증권등거래계획보고서 (000500) — View DART filing
Next Trading Day Checkpoints
- Check whether KOSPI’s upward trend continues.
- Monitor how the distribution of advancing and declining stocks on KOSPI and KOSDAQ changes.
- Check changes in trading volume and price movements for SK hynix, Samsung Electronics, and the stocks in focus.
- Check whether there are any additional disclosures related to major stocks.
This article was prepared based on market, stock, and disclosure information included in FACT on September 18, 2,026, and is not intended to solicit investment.