CANADA STOCKS-TSX hits 4-month low as resources slump amid global selloff

* TSX down 254.89 points, or 1.61 percent, at 15,606.03 * All of the TSX's 10 main groups were trading lower (Updates share prices) TORONTO, Feb 2 (Reuters) - Canada's main stock index slumped to a four-month low on Friday, with natural resource shares leading broad based declines as commodity prices dropped and higher bond yields pressured global equity markets. U.S. crude prices were down 1.1 percent at $65.09 a barrel, while Brent crude lost 2 percent to $68.2