* The Toronto Stock Exchange's TSX falls 0.23 percent to 17,945.15 

* Leading the index were Bausch Health Companies Inc , up 9.6%, Cronos Group Inc, up 9%, and Lightspeed POS Inc, higher by 7.9%.

* Lagging shares were Alimentation Couche-Tard Inc, down 10.5%, Pan American Silver Corp, down 5.6%, and Methanex Corp, lower by 5.0%.

* On the TSX 74 issues rose and 146 fell as a 0.5-to-1 ratio favored decliners. There were 8 new highs and no new lows, with total volume of 189.6 million shares.

* The most heavily traded shares by volume were Alimentation Couche-tard Inc, Aurora Cannabis Inc and Aphria Inc.

* The TSX's energy group fell 1.23 points, or 1.2%, while the financials sector slipped 0.52 points, or 0.2%.

* West Texas Intermediate crude futures fell 0.62%, or $0.33, to $52.88 a barrel. Brent crude  fell 0.97%, or $0.55, to $56.03 [O/R]

* The TSX is up 2.9% for the year.