June 14 (Reuters) - Canada's main stock index opened lower on Friday and was on track for its fourth straight week of losses, as investors weighed the U.S. Federal Reserve's stance of keeping interest rates elevated for longer.

At 09:31 a.m. ET (1331 GMT), the Toronto Stock Exchange's S&P/TSX composite index was down 89.11 points, or 0.41%, at 21,609.00.

(Reporting by Shristi Achar A in Bengaluru; Editing by Shreya Biswas)