* The Toronto Stock Exchange's TSX falls 0.84 percent to 15,701.33
* Leading the index were Ballard Power Systems Inc BLDP.TO , up 16.5%, OceanaGold Corp OGC.TO , up 8.2%, and NovaGold Resources Inc NG.TO , higher by 7.3%.
* Lagging shares were MTY Food Group Inc MTY.TO , down 10.1%, Shawcor Ltd SCL.TO , down 8.9%, and Bombardier Inc BBDb.TO , lower by 7.9%.
* On the TSX 71 issues rose and 158 fell as a 0.4-to-1 ratio favored decliners. There were 3 new highs and no new lows, with total volume of 362.0 million shares.
* The most heavily traded shares by volume were Canadian Natural Resources Ltd CNQ.TO , Bombardier Inc BBDb.TO and Tourmaline Oil Corp TOU.TO .
* The TSX's energy group .SPTTEN fell 3.88 points, or 4.2%, while the financials sector .SPTTFS slipped 4.86 points, or 1.8%.
* West Texas Intermediate crude futures CLc1 rose 0.31%, or $0.12, to $39.06 a barrel. Brent crude LCOc1 rose 0.1%, or $0.04, to $41.22 O/R
* The TSX is off 8% for the year.