July 31 (Reuters) - Canada's main stock index edged

higher at the open on Thursday, led by gains in technology

shares, while cautious investors looked for potential trade

deals ahead of President Donald Trump's August 1 tariff

deadline.

At 9:31 a.m. ET (1331 GMT), the Toronto Stock Exchange's

S&P/TSX composite index was up 0.06% at 27,387.23

points.