Why KOSPI 200 (KR200) fell 3.00%
KOSPI 200 (KR200) fell 3.00% on October 7, 2026 — Trump's 300% tariff threat hits Korea stocks.
What happened
Trump threatened tariffs up to 300% on Korea amid pressure over US investment, triggering a 3% selloff in the KOSPI 200 benchmark as foreign investors rotated away from Korea's export-heavy large-cap basket.
Why it moved
Tariff risk raises capex uncertainty and dampens export demand for semiconductors, autos, and components; the KOSPI 200—dominated by Samsung, SK Hynix, and other trade-exposed giants—reprices lower as medium-term…
Why it matters
Korea Tech had rode an AI supercycle and open-trade narrative; tariff shock fractures both, exposing structural trade dependence and forcing the market to reset growth and multiple assumptions downward.
What would break the thesis
If the White House softens the tariff threat or exempts Korean firms via trade negotiations, the KOSPI could recover; if tariffs are imposed and sustained, Korea's export-driven growth model faces a prolonged structural…