29 Aug (Reuters) - Canada's main stock index opened higher on Wednesday as the country's top trade negotiator continued talks to preserve a three-nation NAFTA trade pact following Monday's deal.
* At 9:30 a.m. ET (13:30 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 24.36 points, or 0.15 percent, at 16,379.9.