KOSPI breaks through 4,800… combined market cap tops 4,000 trillion won for first time
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Summary
- The KOSPI broke above the 4,800 level and extended its 11-session winning streak, lifting the market capitalization of KOSPI-listed companies above 4,000 trillion won for the first time.
- In the main board market, Samsung Electronics surged 3.47% to 148,900 won, moving close to the so-called “150,000-won Samsung.”
- In the KOSDAQ market, Alteogen and Samchundang Pharm jumped more than 10%, while EcoPro BM and EcoPro fell; the won–dollar exchange rate ended higher at 1,473.6 won.

Amid continued strength in semiconductor stocks, the KOSPI closed above the 4,800 mark for the first time on record. It has now risen for 11 consecutive sessions—meaning it has not fallen on a single day so far this year. Thanks to the rally, the total market capitalization of KOSPI-listed companies also climbed above 4,000 trillion won for the first time.
According to the Korea Exchange, the KOSPI on the 16th closed at 4,840.74, up 43.19 points (0.9%) from the previous session.
The index opened at 4,820.66, up 23.11 points (0.48%). It briefly touched 4,855.61 intraday, far surpassing the prior session’s record intraday high of 4,797.55.
Through today, the KOSPI has advanced for 11 straight sessions, posting an unprecedented rally. This is the third-longest winning streak after Sept. 4–24, 2019 (13 sessions) and March 23–April 7, 2006 (12 sessions).
In tandem, the KOSPI’s combined market capitalization surpassed 4,000 trillion won for the first time. Based on the close, KOSPI-listed market cap came to 4,004.8798 trillion won. This marks a break above 4,000 trillion won in about three months after first surpassing 3,000 trillion won on a closing basis on Oct. 15 last year.
In the main board market, bellwether Samsung Electronics (https://markets.hankyung.com/stock/005930) jumped 3.47% to 148,900 won. It briefly surged to 149,500 won intraday, closing in on the much-talked-about “150,000-won Samsung.” Preferred shares Samsung Electronics Pref. (https://markets.hankyung.com/stock/005935) also rose in the 4% range.
Doosan Enerbility (https://markets.hankyung.com/stock/034020) (6.48%), SK Square (https://markets.hankyung.com/stock/402340) (3.96%), Samsung Life Insurance (https://markets.hankyung.com/stock/032830) (5.83%) and Korea Zinc (https://markets.hankyung.com/stock/010130) (10.22%) also posted sharp gains. Hyundai Mobis (https://markets.hankyung.com/stock/012330) and Hanwha Ocean (https://markets.hankyung.com/stock/000880) fell about 4% and 1%, respectively.
The KOSDAQ ended at 954.59, up 3.43 points (0.36%) from the previous day.
In the KOSDAQ market, top-weighted Alteogen (https://markets.hankyung.com/stock/196170) surged more than 10%. The move was driven by growing expectations that additional export deals for its subcutaneous formulation conversion technology are imminent. Around noon, reports said the company’s new CEO Jeon Tae-yeon stated that additional technology transfer for its subcutaneous formulation conversion technology “ALT-B4” was “very imminent.” He added on timing that “it could be as soon as next week.”
Samchundang Pharm (https://markets.hankyung.com/stock/000250) also jumped more than 10%. Meanwhile, EcoPro BM (https://markets.hankyung.com/stock/086520) and EcoPro fell about 3% and 2%, respectively.
In Seoul’s FX market, the won–dollar exchange rate stood at 1,473.6 won as of 3:30 p.m., up 3.9 won.
Shin Min-kyung, Hankyung.com reporter radio@hankyung.com




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