CANADA STOCKS-TSX slips as global growth concerns drag

* TSX down 31.13 points, or 0.21 percent, at 14,711.99 * Seven of 10 main index sectors decline * Energy shares slip with oil price By John Tilak TORONTO, Oct 7 (Reuters) - Canada's main stock index edged lower on Tuesday as a sluggish global growth forecast and weak data from Germany raised concerns about the state of the economic recovery. Further, a drop in the price of oil helped pull down shares of energy producers. The benchmark TSX is down about 6 percent since hittin