The benchmark KOSPI fell 0.4% to around 3,185 on Wednesday, snapping a two-day rally amid renewed concerns over US tariffs targeting semiconductor and pharmaceutical imports. On Tuesday, President Trump said a "small tariff" would begin on pharmaceutical imports and increase it over the coming years, while tariff announcement on semiconductors are expected in the coming days. Semiconductor stocks led the early selloff, with Samsung Electronics falling 1.9% and SK Hynix down 2%. Pharmaceutical shares also came under pressure, as Samsung Biologics slid 2% and Celltrion lost 0.6%. In response, SK Finance Ministry formed a task force to help firms cope with tariffs and explore new markets, while pledging short-term stimulus and mid- to long-term tech support to boost competitiveness. Externally, Wall Street ended lower amid concerns over the economic impact of President Trump's trade policies. The Dow Jones Industrial Average and Nasdaq Composite fell 0.1% and 0.7%, respectively.