Stock markets in Canada and the United States rose Wednesday as investors awaited a tariff announcement expected from U.S. President Donald Trump after the bell.

“Today has been very, very volatile,” said Pierre-Benoît Gauthier, vice-president of investment strategy at IG Wealth Management.

“Today has been very, very volatile,” said Pierre-Benoit Gauthier, vice-president of investment strategy at IG Wealth Management. “There’s a tug of war between the bears and the ...