European stocks rise at open

Europe's main stock markets climbed slightly at the start of trading on Wednesday amid news that France had officially emerged from recession.

London's benchmark FTSE 100 index inched up 0.03 percent to 6,613.61 points, while the DAX 30 in Frankfurt gained 0.11 percent to 8,424.88 in the wake of strong German growth data.

The Paris CAC 40 gained 0.19 percent to 4,100.40 points compared with Tuesday's closing value.

France's economy has jumped out of recession thanks to stronger-than-expected growth of 0.5 percent in the second quarter compared with the first three months of the year, official data released on Wednesday showed.

The return to growth followed 0.2 percent contractions in both the final quarter of last year and the first of 2013.

Meanwhile the German economy, Europe's biggest, expanded by 0.7 percent in the second quarter, slightly faster than expected, separate official figures showed.