TSX falls 1.34% to 15,981.77

* The Toronto Stock Exchange's TSX falls 1.34 percent to 15,981.77 

* Leading the index were Shopify Inc , up 3.8%, Ballard Power Systems Inc​ , up 3.4%, and Lightspeed POS Inc​ , higher by 3%.

* Lagging shares were First Majestic Silver Corp​​ , down 9.3%, Hudbay Minerals Inc​, down 9.0%, and First Quantum Minerals Ltd​, lower by 8.8%.

* On the TSX 29 issues rose and 193 fell as a 0.2-to-1 ratio favored decliners. There was 1 new high and no new lows, with total volume of 270.5 million shares.

* The most heavily traded shares by volume were Canadian Natural Resources Ltd , Suncor Energy Inc  and Kinross Gold Corp.

* The TSX's energy group  fell 3.07 points, or 4.3%, while the financials sector slipped 3.99 points, or 1.5%.

* West Texas Intermediate crude futures fell 3.7%, or $1.52, to $39.59 a barrel. Brent crude  fell 3.41%, or $1.47, to $41.68

* The TSX is off 6.3% for the year.