Stock indices slid after the weaker-than-expected German ZEW economic sentiment index. The ZEW economic sentiment index for Germany declined to 27.1 in July from 29.8 in June, missing expectations for an increase to 33.4. That was the seventh straight decline in seven months.

The ZEW economic sentiment index for the Eurozone increased to 61.8 in July from 58.4 in June, missing expectations for a rise to 62.3.

Concerns over Portugal's bank Banco Espirito Santo SA also weighed on markets.

Software AG shares slid 18% after lowering its full-year operating profit.

Banco Espirito Santo SA shares dropped 15% as its parent company faces a debt payment due today.

Current figures:

Name Price Change Change %

FTSE 100 6,728.39 -17.75 -0.26%

DAX 9,727.92 -55.09 -0.56%

CAC 40 4,322.12 -27.92 -0.64%