* The Toronto Stock Exchange's TSX falls 2.71 percent to 15,586.57
* Leading the index were FirstService Corp FSV.TO , up 1.8%, Ritchie Bros. Auctioneers Inc RBA.TO , up 0.8%, and WPT Industrial Real Estate Investment Trust WIR_u.TO , higher by 0.6%.
* Lagging shares were Silvercorp Metals Inc SVM.TO , down 11.1%, Fortuna Silver Mines Inc FVI.TO , down 10.6%, and Kinross Gold Corp K.TO , lower by 9.5%.
* On the TSX 7 issues rose and 216 fell as a 0-to-1 ratio favored decliners. There were no and 2 new lows, with total volume of 277.5 million shares.
* The most heavily traded shares by volume were Husky Energy Inc HSE.TO , Cenovus Energy Inc CVE.TO and Barrick Gold Corp ABX.TO .
* The TSX's energy group .SPTTEN fell 2.59 points, or 3.9%, while the financials sector .SPTTFS slipped 6.18 points, or 2.3%.
* West Texas Intermediate crude futures CLc1 fell 5.53%, or $2.19, to $37.38 a barrel. Brent crude LCOc1 fell 5.19%, or $2.14, to $39.06 O/R
* The TSX is off 8.7% for the year.