The Toronto Stock Exchange's TSX falls  0.20 percent to 16,800.29.

Leading the index were West Fraser Timber Co Ltd , up 5.4 percent, Bombardier Inc , up 2.7 percent, and SNC-Lavalin Group Inc, higher by 2.6 percent.

Lagging shares were Ensign Energy Services Inc, down 10.2 percent, Birchcliff Energy Ltd , down 6.2 percent, and Precision Drilling Corp, lower by 4.7 percent.

On the TSX 84 issues rose and 150 fell as a 0.6-to-1 ratio favored decliners. There were 8 new highs and 1 new low, with total volume of 230.8 million shares.

The most heavily traded shares by volume were Encana Corp, Kinross Gold Corp  and Crescent Point Energy Corp.

The TSX's energy group <.SPTTEN> fell 2.17 points, or 1.5 percent, while the financials sector <.SPTTFS> climbed 0.61 points, or 0.2 percent.

West Texas Intermediate crude futures fell 2.11 percent, or $1.25, to $58.09 a barrel. Brent crude  fell 1.63 percent, or $1.05, to $63.5 [O/R]

The TSX is up 17.3 percent for the year.