Base metals caused the main stock index of Canada to rise during late-morning trading, while the U.S. stock markets had mixed performance.
The S&P/TSX composite index increased by 40.54 points to reach 21,870.39.
In New York, the Dow Jones industrial average dropped by 50.67 points to 38,854.99. The S&P 500 index fell by 19.25 points to 5,131.23, and the Nasdaq composite declined by 119.56 points to 16,008.97.
The Canadian dollar was exchanged for 73.98 cents US, compared to 74.01 cents US on Thursday.
The April crude oil contract decreased by 22 cents to US$81.04 per barrel, and the April natural gas contract dropped by five cents to US$1.68 per mmBTU.
The April gold contract remained at US$2,167 per ounce, and the May copper contract rose by seven cents to US$4.01 per pound.
