The KOSPI closed lower on June 13. Although it had risen for seven consecutive trading days, investor sentiment appeared to weaken due to news of Israel's airstrikes on Iran.
On this day, the KOSPI index ended at 2,894.62, down 25.41 points (0.87%) from the previous trading day. Foreign investors and individuals were net buyers, but their buying was not enough to offset net selling by institutions.
On the 13th, dealers are working in the dealing room at the Hana Bank headquarters in Jung-gu, Seoul, as the KOSPI continues its upward trend for the eighth consecutive trading day. 2025.6.13. Photo by Kang Jinhyung
The index opened at 2,930.57, up 10.54 points (0.36%) from the previous session, but quickly reversed direction and fell following news of Israel's airstrikes on Iran.
During the session, the KOSPI at one point dropped more than 1% to the 2,870 level. However, as foreign investors turned to net buying late in the session, some of the losses were recovered.
Most of the major large-cap stocks closed lower. Samsung Electronics (-2.02%), Samsung Biologics (-0.97%), LG Energy Solution (-2.63%), Hanwha Aerospace (-0.84%), and Hyundai Motor (-1.24%) declined. KB Financial Group rose by 0.09%, HD Hyundai Heavy Industries gained 1.91%, and SK Hynix closed unchanged.
The KOSDAQ index finished at 768.86, down 20.59 points (2.61%) from the previous session. The KOSDAQ had reached 792.68 in early trading and was approaching the 800 mark, but fell more than 3% during the session following news of Israel's airstrikes.
PharmaResearch, the sixth-largest company by market capitalization on the KOSDAQ, plunged 17% on news of a spin-off, leading the decline in the index. Most other top market cap stocks also ended in negative territory.
Alteogen (-6.09%), EcoPro BM (-5.64%), HLB (-1.31%), EcoPro (-4.35%), Rainbow Robotics (-4.15%), and Hugel (-5.44%) all declined.
The KRW-USD exchange rate ended weekly trading at 1,369.6 won, up sharply by 10.9 won from the previous session.
Meanwhile, on this day, Israel launched surprise strikes on dozens of Iran's nuclear and military facilities ahead of U.S.-Iran nuclear negotiations. The operation, codenamed "Land of the Lions," resulted in the deaths of a number of Iran's military leadership and nuclear scientists.
Iran is expected to launch a large-scale retaliation in response to the damage caused by Israel's airstrikes.
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