TORONTO -- The Toronto market extended its losing streak for a third consecutive session Friday as its most heavily weighted sectors fell amid declining commodity prices.

The S&P/TSX composite index was down 57.38 at 14,812.42 after an almost 60-point loss Thursday and a triple-digit drop Wednesday.

The Canada dollar was also weaker, down 0.82 U.S. cents at 79.37 cents.

The May crude oil contract was down $2.56 at US$48.87 a barrel on the New York Mercantile Exchange, after advancing for five straight sessions.

The April gold bullion contract was down $5 at US$1,199.80 an ounce.

In the U.S., markets were positive, with the Dow Jones industrial average up 34.43 points at 17,712.66, the Nasdaq 27.86 points higher at 4,891.22 and the S&P 500 advancing 4.87 points to 2,061.02.