Shares of Vedanta, Tata Steel, NMDC, SAIL, Hindalco, Jindal Steel and JSW Steel fell up to 7% in early deals on Monday after US President Donald Trump imposed tariffs on China, Canada and Mexico, triggering a trade war, which could hamper global economic growth. Trump announced a 10% levy on imports from China. That will take effect from Tuesday. A rising US dollar also weighed on Indian metal stocks as buying raw materials and finished products from China would become more expensive for buyers. The dollar index rose over 1% to 110 , putting pressure on Indian rupee, which hit a record low of 87 in early deals today.