Oil futures finished higher Thursday as traders continued to weigh the possibility that President Donald Trump will implement tariffs on Canada and Mexico.

Oil major Shell reported a sharp fall in profits in the fourth quarter but declared another $3.5bn share buyback.

The Canadian dollar rose to a near three-week high against its U.S. counterpart on Monday, as investors weighed the potential for Canada's economy to escape broad-based U.S. tariffs and a report ...