European stocks edge higher at open; London up 0.18%
Europe's main stock markets gained slightly at the start of trading on Wednesday, with London's FTSE 100 index of leading companies up 0.18 percent to 6,190.02 points.
Frankfurt's DAX 30 index rose 0.09 percent to 7,702.92 points and in Paris the CAC 40 climbed 0.06 percent to 3,743.07.
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