Markets update at midafternoon

On the markets at midafternoon (ET):In Toronto, the S&P/TSX composite index was up 6.48 points to 15,809.18.The Dow Jones industrial average was up 16.03 points to 22,972.99.The Standard & Poor’s 500 index was down 2.22 points to 2,555.42.The Nasdaq composite index was down 5.51 points to 6,618.50.The Canadian dollar was trading at 79.71 cents US, down from Monday’s average price of 79.81 cents US.