Canada’s main stock index ended its worst month of the year by falling in the wake of U.S. plans to impose tariffs on Mexican imports.

The S&P/TSX composite index closed down 51.75 points to 16,037.49.

In New York, the Dow Jones industrial average was down 354.84 points at 24,815.04. The S&P 500 index was down 36.80 points at 2,752.06, while the Nasdaq composite was down 114.57 points at 7,453.15.

The Canadian dollar traded at an average of US73.93¢ compared with an average of US74.07¢ on Thursday.

The July crude contract was down US$3.09 at US$53.50 per barrel and the July natural gas contract was down US9.3¢ at US$2.45 per mmBTU.

The August gold contract was up US$18.70 at US$1,311.10 an ounce and the July copper contract was down US1.4¢ at US$2.64 a pound.