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In London, the FTSE index showed an opening gain of 29.04 points or 0.54 percent to 5,429.89 points, in Frankfurt the DAX index firmed 33.83 points or 0.59 percent to 5,764.45 points, and in Paris the CAC 40 index advanced 11.68 points or 0.39 percent to 3,010.41 points.