CANADA STOCKS - TSX advances 0.22 percent

* The Toronto Stock Exchange's S&P/TSX rose 35.34 points, or 0.22 percent, to 16,204.62. * Leading the index were Cameco Corp, up 15.7 percent, Cenovus Energy Inc, up 9 percent, and Advantage Oil & Gas Ltd , higher by 8.8 percent. * Lagging shares were Aphria Inc, down 6.4 percent, Centerra Gold Inc, down 5.8 percent, and Canopy Growth Corp, lower by 4.9 percent. * On the TSX 135 issues rose and 106 fell as a 1.3-to-1 ratio favored advancers. There were 5 new highs