KOSPI Plunges 6% to Close in the 7,500 Range... Volatile Market Continues

Sharp Rise Yesterday, Plunge Today...
Sidecar Triggered for Four Consecutive Sessions
Individuals Net Buy KRW 5.85 Trillion
Foreign Investors and Institutions Net Sellers

The KOSPI index plunged by over 6%, closing in the 7,500 range. Throughout the week, the market has experienced repeated sharp fluctuations, resulting in continued volatility.

Yonhap News Agency

On June 10, the KOSPI index ended trading at 7,585.60, down 511.33 points (6.32%) from the previous session. Foreign investors and institutions recorded net sales of KRW 3,184.868 billion and KRW 2,892.315 billion, respectively, while individual investors recorded net purchases of KRW 5,845.482 billion, absorbing the sell-off from foreign investors and institutions.

Due to the sharp decline in stock prices, a sell-side program trading halt (sidecar) was triggered in the KOSPI market, marking the fourth consecutive session of heightened volatility. On June 5, a sell-side sidecar was triggered due to a sharp drop, on June 8, both a sell-side sidecar and a circuit breaker (trading halt) were activated, and on June 9, a buy-side sidecar was triggered following a steep rise in prices.

By industry, more sectors closed lower than higher. The electrical and electronics sector fell sharply by 6.22%, while insurance (-5.36%), manufacturing (-5.06%), finance (-2.76%), and securities (-2.23%) also closed in negative territory. In contrast, construction (+3.17%), textiles and apparel (+2.86%), and utilities such as electricity and gas (+1.08%) ended the day higher.

Among large-cap stocks, Samsung Electronics, the top by market capitalization, closed at KRW 3,025,000, down KRW 195,000 (-6.0%) from the previous session. SK hynix ended at KRW 2,048,000, down KRW 167,000 (-7.5%). Most other major stocks also closed lower, including Samsung Electro-Mechanics (-8.3%), SK Square (-6.7%), Samsung Life Insurance (-6.3%), Hyundai Motor (-5.7%), and Samsung C&T (-5.0%). However, Hanwha Ocean (+7.8%), LS ELECTRIC (+7.5%), HD Korea Shipbuilding & Offshore Engineering (+6.3%), and HD Hyundai Heavy Industries (+4.7%) closed higher.

The KOSDAQ index closed at 937.27, down 30.54 points (3.16%) from the previous session. Foreign investors and institutions recorded net sales of KRW 53.03 billion and KRW 119.853 billion, respectively, while individual investors recorded net purchases of KRW 168.890 billion.

By industry, electrical and electronics (-4.05%), medical and precision equipment (-2.65%), finance (-2.55%), pharmaceuticals (-1.86%), and manufacturing (-1.80%) ended lower. However, some sectors such as paper and wood (+1.76%), publishing and media replication (+1.71%), and transportation equipment and parts (+0.43%) closed higher.

The top three stocks by market capitalization on KOSDAQ—Alteogen (-3.5%), Ecopro BM (-1.8%), and Ecopro (-1.4%)—all finished lower. HPSP (-6.8%), Leeno Industrial (-6.0%), Seojin System (-5.3%), Simmtech (-4.8%), and Rainbow Robotics (-4.0%) also declined. On the other hand, PSK Holdings (+10.9%), TES (+7.4%), Samchundang Pharm (+6.6%), PSK (+5.5%), and Jusung Engineering (+3.8%) closed higher than the previous session.

Meanwhile, in the Seoul foreign exchange market, the KRW/USD exchange rate closed at KRW 1,524.2 as of 3:30 p.m., up KRW 12.1 from the previous session.

This content was produced with the assistance of AI translation services.