* The Toronto Stock Exchange's TSX falls 0.55 percent to 17,942.95 

* Leading the index were NFI Group Inc , up 15.4%, Cronos Group Inc, up 8.7%, and Aphria Inc, higher by 6%.

* Lagging shares were Trillium Therapeutics Inc, down 6.7%, First Quantum Minerals Ltd, down 6.4%, and Methanex Corp, lower by 5.4%.

* On the TSX 64 issues rose and 154 fell as a 0.4-to-1 ratio favored decliners. There were 10 new highs and no new lows, with total volume of 148.9 million shares.

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

* The TSX's energy group fell 0.67 points, or 0.7%, while the financials sector slipped 0.39 points, or 0.1%.

* West Texas Intermediate crude futures fell 0.29%, or $0.15, to $52.09 a barrel. Brent crude  fell 0.89%, or $0.5, to $55.49 [O/R]

* The TSX is up 2.9% for the year.