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The FTSEurofirst 300 index of top European shares was down 0.5 percent at 1,634.21 points by 0711 GMT after gaining about 1 percent in the previous session.
Shares in Commerzbank fell 5 percent, the top decliner in the FTSEurofirst 300 index, as Germany's second-largest bank on Monday launched a share sale to raise capital from institutional investors to help to bolster its capital strength.
Geberit shares fell 4.4 percent after the company reported a 15 percent fall in first-quarter net profit due to costs relating to its acquisition last year of Nordics ceramic maker Sanitec and a surge in the Swiss franc.