Canada’s main stock index was up, helped by gains in base metal stocks, while U.S. markets also rose in late-morning trading. The S&P/TSX composite index was up 73.31 points at 25,377.42. In New York, the Dow Jones industrial average was up 84.86 points at 42,668.18. The S&P 500 index was up 14.17 points at 5,781.74, […]