CANADA STOCKS-TSX declines ahead of Fed statement

* TSX down 39.16 points, or 0.27 percent, at 14,585.09 * Seven of 10 main index sectors decline * Horizon North plunges 33 percent after results, outlook By John Tilak TORONTO, Oct 29 (Reuters) - Canada's main stock index fell on Wednesday as investors awaited the Federal Reserve's statement on monetary policy later in the day. The U.S. central bank is expected to announce the end of its asset-buying program and assure markets that it does not plan to raise interest rates a