TORONTO, Aug 4 (Reuters) - Canada's main stock index opened higher on Friday, with gains led by banks, energy and railway stocks as bond yields rose and the currency pulled back, while software company Open Text Corp OTEX.TO also rose as analysts cheered its quarterly earnings.
The Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 48.74 points, or 0.32 percent, at 15,240.7 shortly after the open. It is on track for a 0.7 percent gain on the week.