CANADA STOCKS-TSX jumps on Fed comments, China data

* TSX rises 142.60 points, or 1 percent, at 14,446.52 * All of 10 main index sectors advance * Metro jumps after posting results By John Tilak TORONTO, April 16 (Reuters) - Canada's main stock index recorded its biggest single-day jump in more than two months on Wednesday, driven higher by supportive comments on U.S. employment by Federal Reserve Chair Janet Yellen and bullish economic data from China. Yellen said the U.S. economy appeared to be slowly moving toward full emp