* The Toronto Stock Exchange's S&P/TSX .GSPTSE fell 21.52 points, or 0.13 percent, to 16,227.24.
* Leading the index were Cascades Inc CAS.TO , up 13.1 percent, Canfor Corp CFP.TO , up 7.6 percent, and BlackBerry Ltd BB.TO , higher by 6.2 percent.
* Lagging shares were Precision Drilling Corp PD.TO , down 7.5 percent, Encana Corp ECA.TO , down 6.6 percent, and Kelt Exploration Ltd KEL.TO , lower by 6.1 percent.
* On the TSX 120 issues rose and 117 fell as a 1-to-1 ratio favored advancers. There were 8 new highs and 10 new lows, with total volume of 190.7 million shares.
* The most heavily traded shares by volume were Encana Corp ECA.TO , Enbridge Inc ENB.TO and Barrick Gold Corp ABX.TO .
* The TSX's energy group .SPTTEN fell 1.78 points, or 1.3 percent, while the financials sector .SPTTFS slipped 2.67 points, or 0.9 percent.
* West Texas Intermediate crude futures CLc1 fell 4.11 percent, or $2.19, to $51.08 a barrel. Brent crude LCOc1 fell 3.92 percent, or $2.44, to $59.85 O/R
* The TSX is up 13.3 percent for the year.