Trump tariffs impact global trade, shaking industries and stock markets. Domestic steel and aluminum producers benefit, while automakers and consumers face higher costs. Stock market volatility is rising,

President Trump is locked in a tit-for-tat tariff war with Canada, Mexico, the European Union and China in a bid to remake the US economy for the long term – and some early winners and losers have already emerged.

In another reversal, Trump postponed for a month new tariffs on imports from Canada and Mexico that fall under the three nations' free trade deal.