* The Toronto Stock Exchange's S&P/TSX rose 65.61 points, or 0.40 percent, to 16,543.01, its biggest daily percentage gain since July 12. * Leading the index were TransCanada Corp, up 5.4 percent, Guyana Goldfields Inc, up 4.8 percent, and BlackBerry Ltd , higher by 4.3 percent. * Lagging shares were First Quantum Minerals Ltd, down 7.5 percent, Parex Resources Inc, down 5.5 percent, and Aphria Inc, lower by 4.6 percent. * On the TSX 129 issues advanced and 112 decl