Aug 15 (Reuters) - Canada's main stock index opened flat on Friday, with caution prevailing, as investors awaited a high-stakes meeting between U.S. President Donald Trump and Russian leader Vladimir Putin on a potential path to ending the war in Ukraine.
At 9:31 a.m. ET (1331 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 0.01% at 27,919.55 points.