The Toronto Stock Exchange's  S&P/TSX fell 59.06 points, or 0.36 percent, to 16,312.22.

Leading the index were Turquoise Hill Resources Ltd, up 5.6 percent, Crescent Point Energy Corp, up 5.4 percent, and Parex Resources Inc, higher by 5.2 percent.

Lagging shares were BlackBerry Ltd, down 9.1 percent, TransAlta Corp, down 4.4 percent, and Boardwalk Real Estate Investment Trust, lower by 4.1 percent.

On the TSX 84 issues rose and 148 fell as a 0.6-to-1 ratio favored decliners. There were 3 new highs and 2 new lows, with total volume of 209.9 million shares.

The most heavily traded shares by volume were Bombardier Inc, Encana Corp and Barrick Gold Corp.

The TSX's energy group rose 2.25 points, or 1.6 percent, while the financials sector slipped 0.87 points, or 0.3 percent.

West Texas Intermediate crude futures rose 2.47 percent, or $1.43, to $59.26 a barrel. Brent crude  rose 1.84 percent, or $1.2, to $66.25 [O/R]

The TSX is up 13.9 percent for the year.