CANADA STOCKS-TSX slips on Ukraine crisis; CP Rail jumps

* TSX down 21.86 points, or 0.14 percent, at 15,204.48 * Eight of 10 main index sectors decline * CP Rail hits all-time high after results * Loblaw slips after management change By John Tilak TORONTO, July 17 (Reuters) - Canada's main stock index dipped slightly on Thursday as gains in shares of Canadian Pacific Railway Ltd and gold miners were offset by broad weakness spurred by developments in the Ukraine crisis. CP Rail climbed 2.3 percent to a record high after repor