CANADA STOCKS-TSX drops as energy shares slide with oil

* TSX down 126.34 points, or 0.87 percent, at 14,417.48 * Six of 10 main index sectors decline * Energy shares fall 3.1 percent after oil price slips By John Tilak TORONTO, Oct 27 (Reuters) - Canada's main stock index dropped on Monday as the price of oil tumbled after Goldman Sachs cut its outlook for the commodity, pushing down shares of energy producers. Goldman Sachs slashed its 2015 oil price forecasts and said rising output will outstrip demand. The decline in the