CANADA STOCKS-TSX advances as Fed hopes drive broad gains

* TSX rises 33.62 points, or 0.23 percent, to 14,368.93 * Eight of the 10 main index sectors advance * Valeant rise supports healthcare sector By John Tilak TORONTO, April 1 (Reuters) - Canada's main stock index rose on Tuesday, continuing to get support from Monday's U.S. Federal Reserve assertion of its willingness to keep on buttressing the U.S. economy. Fed Chair Janet Yellen defended the central bank's easy monetary policy on Monday, indicating that stimulative measure