NEW YORK, Oct 23 (Reuters) -
* The Toronto Stock Exchange's S&P/TSX .GSPTSE fell 127.53 points, or 0.83 percent, to 15,285.17.
* Leading the index were West Fraser Timber Co Ltd WFT.TO , up 6.5 percent, Alamos Gold Inc AGI.TO , up 6.1 percent, and B2Gold Corp BTO.TO , higher by 3.8 percent.
* Lagging shares were Aurora Cannabis Inc ACB.TO , down 11.7 percent, Trican Well Service Ltd TCW.TO , down 7.6 percent, and Crescent Point Energy Corp CPG.TO , lower by 7.2 percent.
* On the TSX 89 issues rose and 154 fell as a 0.6-to-1 ratio favored decliners. There were 1 new highs and 37 new lows, with total volume of 346.2 million shares.
* The most heavily traded shares by volume were Aurora Cannabis Inc ACB.TO , Aphria Inc APH.TO and Bombardier Inc BBDb.TO .
* The TSX's energy group .SPTTEN fell 4.18 points, or 2.38 percent, while the financials sector .SPTTFS slipped 0.14 points, or 0.05 percent.
* West Texas Intermediate crude futures CLc1 fell 4.44 percent, or $3.08, to $66.28 a barrel. Brent crude LCOc1 fell 4.37 percent, or $3.49, to $76.34 O/R
* The TSX is off 5.7 percent for the year.