Japan's Nikkei logs worst day in 4 months on US tariff worries; automakers slump

Japan's Nikkei index dropped over 2% on Monday, marking its worst session in four months due to global economic concerns heightened by U.S. President Trump's tariffs on Canada, Mexico, and China. Automakers led the decline, with significant losses for Toyota, Honda, and Nissan, reflecting their dependency on North American markets.