*TSX edges up 0.06 percent to 13,340.83 * Three biggest sectors keep index in positive territory TORONTO, July 20 (Reuters) - Toronto's main stock marketindex closed slightly higher on Wednesday as weakness inindustrials was offset by stronger energy and banking shares. The index's three biggest groups -- energy, financials, andmaterials -- all advanced, and their mild gains were enough toprop up the index for a second straight daily rise. All three groups were represented among the most heavilyweighted climbers. Royal Bank of Canada , up 0.94percent at C$53.56
christian louboutin rolando , led all influential gainers. Barrick Gold rose 1.08 percent to C$46.71, followed by Encana , which added 1.29 percent to C$29.83. The Toronto Stock Exchange's S&P/TSX composite index closed up 7.91 points
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christian louboutin rolando , at 13,340.83.Six of its 10 main sectors were lower
christian louboutin rolando , led by a 1 percentdecline in the industrials group, while telecoms slid 0.94percent. The infotech group was unchanged on the day. "We've been accustomed to markets that can change theirmind in a hurry
christian louboutin rolando ," said Fred Ketchen, director of equity tradingat ScotiaMcLeod. He said sector rotation was one reason behindthe sharp declines in some sectors. The political battle over increasing the U.S. debt ceilingas well as the worries about sovereign debt problems in Europehave been a drag on stocks. European Union leaders must find a convincing solution toGreece's debt crisis at a summit on Thursday or the globaleconomy will pay the price, the head of the European Commissionsaid in an unusually somber warning.