On the markets at 9:50 a.m. (ET):In Toronto, the S&P/TSX composite index was up 35.51 points to 15,989.02.The Dow Jones industrial average was down 46.78 points to 23,387.41.The Standard & Poor’s 500 index was down 4.20 points to 2,576.87.The Nasdaq composite index was up 7.08 points to 6,708.34.The Canadian dollar was trading at 77.89 cents US, up from Friday’s average price of 77.68 cents US.