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KOSPI and KOSDAQ Plunge Over 5% Amid US Blue Wave Shock
Published : Nov 5, 2026 4:28 PM
▲ The KOSPI index is displayed at the dealing room of the Hana Bank headquarters in Jung-gu, Seoul, on the 5th. The market fell due to concerns that regulations on AI data centers could slow semiconductor demand following the Democratic Party's landslide victory (Blue Wave) in the US midterm elections.
The KOSPI plummeted by more than 5% today (the 5th), dropping back into the 5,300 range.
According to the Korea Exchange, the KOSPI closed down 300.00 points, or 5.28%, at 5,383.80 compared to the previous trading session.
The index started at 5,580.09, down 103.71 points (1.82%) from the previous session, and later expanded its losses, plunging as much as 6.10% to 5,336.88 at one point.
Due to this impact, a sell sidecar was triggered on the main bourse (KOSPI) at around 10:16 a.m.
The KOSDAQ index closed down 36.54 points, or 5.11%, at 678.41 compared to the previous session.
Amid the sharp market decline, a sell sidecar was also triggered in the KOSDAQ market at around 2:27 p.m.
This marks the first time sell sidecars have been simultaneously triggered in both markets in 15 trading sessions, since October 15.
(Photo: Yonhap News)
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