Jan 8 (Reuters) - Canada’s main stock index opened higher on Friday, extending gains for a fifth straight session, helped by energy stocks and hopes of economic recovery later this year. At 9:31 a.m. ET (14:31 GMT), the Toronto Stock Exchange’s S&P/TSX composite index was up 16.14 points, or 0.09%, at 18,043.71. (Reporting by Shivani Kumaresan in Bengaluru; Editing by Arun Koyyur)