* The Toronto Stock Exchange's TSX falls 0.62 percent to 17,795.15 

* Leading the index were Canopy Growth Corp , up 7.6%, Aphria Inc, up 7.5%, and Ballard Power Systems Inc, higher by 5.3%.

* Lagging shares were Vermilion Energy Inc, down 8.3%, First Quantum Minerals Ltd, down 7.4%, and MEG Energy Corp, lower by 7.0%.

* On the TSX 89 issues rose and 127 fell as a 0.7-to-1 ratio favored decliners. There were 17 new highs and no new lows, with total volume of 169.9 million shares.

* The most heavily traded shares by volume were Blackberry Ltd, Aphria Inc and Cenovus Energy Inc.

* The TSX's energy group fell 3.28 points, or 3.4%, while the financials sector climbed 0.20 points, or 0.1%.

* West Texas Intermediate crude futures fell 0.49%, or $0.26, to $52.51 a barrel. Brent crude  fell 0.11%, or $0.06, to $55.82 [O/R]

* The TSX is up 2.1% for the year.