* The Toronto Stock Exchange's TSX falls 0.73 percent to 16,099.52
* Leading the index were Artis Real Estate Investment Trust
* Lagging shares were MEG Energy Corp (TO:MEG), down 11.9%, Vermilion Energy Inc (TO:VET), down 11.0%, and Aurora Cannabis Inc (TO:ACB), lower by 10.8%.
* On the TSX 71 issues rose and 143 fell as a 0.5-to-1 ratio favored decliners. There were no and 1 new low, with total volume of 282.4 million shares.
* The most heavily traded shares by volume were Suncor Energy Inc (TO:SU), Canadian Natural Resources Ltd (TO:CNQ) and Manulife Financial Corp (TO:MFC).
* The TSX's energy group (SPTTEN) fell 5.89 points, or 7.6%, while the financials sector (SPTTFS) slipped 1.84 points, or 0.7%.
* West Texas Intermediate crude futures (CLc1) fell 7.37%, or $2.93, to $36.84 a barrel. Brent crude (LCOc1) fell 5.09%, or $2.14, to $39.87 [O/R]
* The TSX is off 5.6% for the year.