TSX falls 0.45% to 19,274.04

* The Toronto Stock Exchange's TSX falls 0.45 percent to 19,274.04 

* Leading the index were Aurinia Pharmaceuticals Inc , up 12.5%, Centerra Gold Inc, up 12.5%, and AcuityAds Holdings Inc, higher by 5.7%.

* Lagging shares were Aritzia Inc, down 4.5%, Methanex Corp, down 3.7%, and Magna International Inc, lower by 3.6%.

* On the TSX 65 issues rose and 159 fell as a 0.4-to-1 ratio favored decliners. There were 5 new highs and 3 new lows, with total volume of 268.6 million shares.

* The most heavily traded shares by volume were Enbridge Inc, Suncor Energy Inc and Manulife Financial Corp.

* The TSX's energy group fell 1.51 points, or 1.2%, while the financials sector slipped 2.48 points, or 0.7%.

* West Texas Intermediate crude futures rose 0.82%, or $0.53, to $65.45 a barrel. Brent crude  rose 0.56%, or $0.38, to $68.7 [O/R]

* The TSX is up 10.6% for the year.

This summary was machine generated May 11 at 21:03 GMT.