CANADA STOCKS-TSX nears three-week low on emerging market fears

* TSX falls 135.47 points, or 0.99 percent, to 13,582.29 * Nine of 10 main index sectors decline * Scotiabank has biggest negative influence on market * BMO slips after making offer to buy UK fund manager By John Tilak TORONTO, Jan 27 (Reuters) - Canada's main stock index dropped on Monday to its lowest in almost three weeks, hit by a selloff in emerging market equities that was triggered by concerns about Chinese economic growth and the U.S. Federal Reserve's stimulus progr