July 19 (Reuters) - Canada's resource-heavy stock index

opened lower on Friday as losses in crude and metal prices

dragged energy and mining stocks, respectively, while investors

assessed the impact of a global cyber outage.

At 9:31 a.m. ET (1331 GMT), the Toronto Stock Exchange's

S&P/TSX composite index was down 0.4% at 22,636.84

points.

(Reporting by Nikhil Sharma in Bengaluru; Editing by Shreya

Biswas

)