Aug 21 (Reuters) -
* The Toronto Stock Exchange's S&P/TSX .GSPTSE fell 34.06 points, or 0.21 percent, to 16,296.97.
* Lagging shares were Husky Energy Inc HSE.TO , down 2.6 percent, Brookfield Asset Management Inc BAMa.TO , down 2.5 percent, and Knight Therapeutics Inc GUD.TO , lower by 2.5 percent.
* Leading the index percentage gainers were Ivanhoe Mines Ltd IVN.TO , up 10.3 percent, Air Canada AC.TO , up 8.3 percent, and Aurora Cannabis Inc ACB.TO , higher by 7.2 percent.
* On the TSX 126 issues advanced and 112 declined as a 1.1-to-1 ratio favored advancers. There were 9 new highs and no new lows, with total volume of 212.9 million shares.
* The most heavily traded shares by volume were Aurora Cannabis Inc ACB.TO , Canopy Growth Corp WEED.TO and Aphria Inc APH.TO .
* The TSX's energy group .SPTTEN rose 0.79 points, or 0.40 percent, while the financials sector .SPTTFS slipped 1.12 points, or -0.36 percent.
* West Texas Intermediate crude futures CLc1 rose 1.34 percent, or $0.89, to $67.32 a barrel. Brent crude LCOc1 rose 0.43 percent, or $0.31, to $72.52 O/R
* The TSX is up 0.5 percent for the year.