Markets update at midafternoon

On the markets at midafternoon (ET):In Toronto, the S&P/TSX composite index was up 46.99 points to 15,901.76.The Dow Jones industrial average was up 87.55 points to 23,417.01.The Standard & Poor’s 500 index was up 5.99 points to 2,563.14.The Nasdaq composite index was down 1.31 points to 6,562.58.The Canadian dollar was trading at 77.84 cents US, down from Wednesday’s average price of 78.30 cents US.