* The Toronto Stock Exchange's S&P/TSX .GSPTSE fell 103.57 points, or 0.63 percent, to 16,237.77.
* Leading the index were Canfor Corp CFP.TO , up 73.4 percent, Interfor Corp IFP.TO , up 6.8 percent, and West Fraser Timber Co Ltd WFT.TO , higher by 4.2 percent.
* Lagging shares were CannTrust Holdings Inc TRST.TO , down 27.8 percent, Stars Group Inc TSGI.TO , down 18.7 percent, and Enerflex Ltd EFX.TO , lower by 11.7 percent.
* On the TSX 71 issues rose and 166 fell as a 0.4-to-1 ratio favored decliners. There were 17 new highs and 21 new lows, with total volume of 193.7 million shares.
* The most heavily traded shares by volume were Bombardier Inc BBDb.TO , Canntrust Holdings Inc TRST.TO and B2gold Corp BTO.TO .
* The TSX's energy group .SPTTEN fell 1.58 points, or 1.2 percent, while the financials sector .SPTTFS slipped 2.59 points, or 0.9 percent.
* West Texas Intermediate crude futures CLc1 rose 0.55 percent, or $0.3, to $54.8 a barrel. Brent crude LCOc1 fell 0.03 percent, or $0.02, to $58.51 O/R
* The TSX is up 13.4 percent for the year.