June 11 (Reuters) - Canada’s main stock index opened higher on Friday, as energy stocks gained on higher crude prices and upbeat economic data bolstered optimism over an economic rebound. * At 09:32 a.m. ET (13:32 GMT), the Toronto Stock Exchange’s S&P/TSX composite index was up 40.38 points, or 0.2%, at 20,089.85. (Reporting by Amal S in Bengaluru; Editing by Shailesh Kuber) Our Standards: The Thomson Reuters Trust Principles.