The energy sector dropped 2.2% as oil prices steadied, with Brent slipping from a five-month high as global demand struggles.
The materials sector, which includes precious and base metals miners and fertilizer companies, added 0.2% even as gold futures fell 0.2% to $1,960.7 an ounce.
The nation's exports and imports plunged in April as the coronavirus-fueled lockdowns forced factories and retail stores to shut businesses, Statistics Canada said.
At 9:44 a.m. ET (13:44 GMT), the Toronto Stock Exchange's S&P/TSX composite index wa