KOSPI Jumps More Than 2% to Top 6,370 on Foreign, Institutional Buying

by Yang Boyeon Posted : April 21, 2026, 14:00Updated : April 21, 2026, 14:00
Dealers work at the dealing room of Hana Bank’s headquarters in Seoul on April 21, as the KOSPI briefly set an intraday record high.
Dealers work at the dealing room of Hana Bank’s headquarters in Seoul on April 21, as the KOSPI briefly set an intraday record high. [Photo by Yonhap]

The KOSPI surged more than 2% in intraday trading Tuesday, setting a new high above its previous peak. South Korean stocks rose, led by semiconductor shares, as investors looked ahead to the earnings season despite concerns about volatility tied to the Middle East.

As of 1:48 p.m., the benchmark KOSPI was up 150.91 points, or 2.43%, at 6,370.00, according to the Korea Exchange. It opened up 83.45 points, or 1.34%, at 6,302.54 and extended gains on foreign buying.

In the main board market, foreigners and institutions were net buyers of 1.2823 trillion won and 631.3 billion won, respectively, while individuals were net sellers of 1.8002 trillion won.

Among top market-cap stocks, Samsung Electronics rose 1.86%, SK hynix gained 4.55%, Hyundai Motor climbed 2.66%, LG Energy Solution jumped 9.91% and SK Square added 1.00%. Samsung Biologics slipped 0.37% and Hanwha Aerospace fell 2.25%.

The KOSDAQ was down 1.21 points, or 0.10%, at 1,173.64.

The tech-heavy index opened up 11.38 points, or 0.97%, at 1,186.23, but turned lower as foreigners and institutions sold.

In the KOSDAQ market, individuals were net buyers of 552.1 billion won, while foreigners and institutions were net sellers of 395.7 billion won and 98.8 billion won, respectively.

Among top market-cap KOSDAQ shares, Alteogen fell 0.54%, Rainbow Robotics dropped 1.64%, Samchundang Pharm slid 0.21%, ABL Bio declined 2.87% and Kolon TissueGene sank 6.21%. EcoPro rose 3.98%, EcoPro BM gained 4.29% and Lino Industrial added 0.34%.



* This article has been translated by AI.