Trump's tariffs on Canada, Mexico and China suggest he is willing to risk a global trade war. The main thing that could stop him would be a stock market selloff.

Business groups, economists and even some Republicans cautioned that new tariffs on goods from Canada, Mexico and China could undercut U.S. industry and the economy.

Financial markets that had bet trade wars could be avoided are reassessing the risks of a sharp global slowdown, resurgent inflation and a pause to Federal Reserve rate cuts following Donald Trump's tariffs on top U.

Trump knows the United States has more leverage over its neighbors than they do over his country. But exploiting that position of strength could cause a historic rupture.

Canada’s prime minister and Mexico’s president have ordered retaliatory tariffs against Americans, following through with their threats after U.S.

U.S. President Donald Trump has ordered sweeping tariffs on goods from Mexico, Canada and China, demanding that they curb the flow of illegal immigrants and fentanyl into the United States, kicking off a trade war that could dent global growth and stoke inflation.

Trump has said tariffs are a way to force the countries to stop the flow of migrants and fentanyl across the borders and into the U.S.