CANADA STOCKS-TSX rises at open as resources lead, Shopify extends slide

TORONTO, Oct 5 (Reuters) - Canada's main stock index rose on Thursday as mining shares drove broad gains, while Shopify Inc extended its previous session's losses.

The Toronto Stock Exchange's S&P/TSX composite index rose 33.09 points, or 0.21 percent, to 15,754.09. Eight of the index's 10 main groups were in positive territory. (Reporting by Solarina Ho; Editing by W Simon)