On the markets at 9:50 a.m. (ET):In Toronto, the S&P/TSX composite index is up 39.85 points to 15,174.85.The Dow Jones industrial average gained 16.40 points to 21,569.49.The Standard & Poor’s 500 index added 4.40 points to 2,452.23.The Nasdaq composite index climbed 18.40 points to 6,292.83.The Canadian dollar was trading at 78.80 cents US, up from Thursday’s average price of 78.47 cents US.