* The Toronto Stock Exchange's S&P/TSX .GSPTSE fell 105.38 points, or 0.64 percent, to 16,271.66.
* Leading the index were Aphria Inc APHA.TO , up 40.1 percent, Cronos Group Inc CRON.TO , up 8.5 percent, and Aurora Cannabis Inc ACB.TO , higher by 7.8 percent.
* Lagging shares were Open Text Corp OTEX.TO , down 8.8 percent, SNC-Lavalin Group Inc SNC.TO , down 5.9 percent, and Methanex Corp MX.TO , lower by 5.1 percent.
* On the TSX 67 issues rose and 166 fell as a 0.4-to-1 ratio favored decliners. There were 16 new highs and 13 new lows, with total volume of 240.0 million shares.
* The most heavily traded shares by volume were Aphria Inc APHA.TO , Bombardier Inc BBDb.TO and Encana Corp ECA.TO .
* The TSX's energy group .SPTTEN fell 2.59 points, or 2.0 percent, while the financials sector .SPTTFS slipped 2.29 points, or 0.8 percent.
* West Texas Intermediate crude futures CLc1 rose 2.5 percent, or $1.35, to $55.3 a barrel. Brent crude LCOc1 rose 1.37 percent, or $0.83, to $61.33 O/R
* The TSX is up 13.6 percent for the year.