Aug 23 (Reuters) -
* The Toronto Stock Exchange's S&P/TSX .GSPTSE fell 20.55 points, or 0.13 percent, to 16,326.79.
* Lagging shares were IAMGOLD Corp IMG.TO , down 6.5 percent, Tahoe Resources Inc THO.TO , down 5.8 percent, and New Gold Inc NGD.TO , lower by 5.8 percent.
* Leading percentage gainers were Baytex Energy Corp BTE.TO , up 7.9 percent, Raging River Exploration Inc RRX.TO , up 7.9 percent, and Hudson's Bay Co HBC.TO , higher by 4.3 percent.
* On the TSX 87 issues advanced and 153 declined as a 0.6-to-1 ratio favored decliners. There were 3 new highs and 10 new lows, with total volume of 171.0 million shares.
* The most heavily traded shares by volume were Aurora Cannabis Inc ACB.TO , Canopy Growth Corp WEED.TO and Baytex Energy Corp BTE.TO .
* The TSX's energy group .SPTTEN rose 0.38 points, or 0.19 percent, while the financials sector .SPTTFS slipped 0.32 points, or 0.1 percent.
* West Texas Intermediate crude futures CLc1 were basically flat at $67.87 a barrel. Brent crude LCOc1 rose 0.01 percent, or $0.01, to $74.79 O/R
* The TSX is up 0.7 percent for the year.