TORONTO, March 15 (Reuters) - Canada's main stock index
opened lower on Tuesday, with losses broad-based as weaker
commodity prices weighed on the resource-linked market.
The Toronto Stock Exchange's S&P/TSX composite index
.GSPTSE was down 104.81 points, or 0.78 percent, at 13,372.73,
shortly after the open. All of the index's 10 main groups were
lower.