Tags: South Korean economy, steel industry, trade policy, U.S. tariffs, stock market Steel Stocks Hit by Tariff Concerns Shares of South Korean steelmakers fell on Monday following U.S. President Donald Trump’s announcement of new tariffs on steel and aluminum imports. POSCO Holdings saw its stock price drop by as much as 3.6% to 230,500 won, reaching its lowest point since October 2022. Hyundai Steel also experienced a decline of 2.9%, marking a record low for the company’s shares. New 25% Tariff on Steel and Aluminum Trump stated that he would impose a new 25% tariff on all steel and aluminum imports into the U.S., adding to existing duties. This move signals another escalation in his administration’s trade policies, raising concerns among global steel producers, including South Korean firms. Broader Market Impact The tariff announcement also affected South Korea’s automotive sector. Hyundai Motor shares dipped by 0.7%, while Kia Corp saw a 2% decline. The broader KOSPI index fell by 0.5%, reflecting investor concerns over potential economic repercussions. Post navigation High&Low at the 90th China International Medical Device Expo: Leading the Way in Shenzhen EMI Power Filters & EMC Solutions Hong Kong to Ban Public Vaping by Mid-2026