CANADA STOCKS-TSX tumbles on global growth worries, German data

(Adds details, comments from strategist; updates prices) * TSX down 166.67 points, or 1.13 percent, at 14,576.45 * Nine of 10 main index sectors decline * Energy shares slip with oil price By John Tilak TORONTO, Oct 7 (Reuters) - Canada's main stock index dropped on Tuesday as a sluggish global growth forecast and weak data from Germany fueled a selloff in equities and oil prices. In turn, the decline in the price of oil pushed down the energy sector, which had the bigge