Trade tensions heat up as China and Canada retaliate against U.S. tariffs

Both China and Canada moved swiftly on Tuesday to retaliate against newly imposed U.S. tariffs, announcing their own levies on U.S. goods that could further disrupt U.S. trade with its top three trading partners. A 25% U.S. blanket tariff on goods imported from Canada and Mexico took effect just after midnight Tuesday, along with an additional 10% tariff on goods from China. The three countries together accounted for more than 40% of total U.S. imports last year. China will impose additional tariffs of up to 15% on...