Asia shares mostly fell in Monday trading as worries grow about President Donald Trump imposing tariffs on key U.S. trading partners.Japan's benchmark Nikkei 225 lost 2.7% to finish at 38,520.09. Australia's S&P/ASX 200 declined 1.

Korea’s KOSPI index fell by 2.5% on Monday, as Trump’s tariff moves could threaten both South Korea’s export-heavy economy, as well as the supply chains of its major manufacturers. Electronics giants Samsung and LG, and automakers Kia and Hyundai, all have manufacturing facilities in Mexico.