May 11 (FAP)-European stocks collectively opened higher, with Germany's DAX30 index up 0.22%, Britain's FTSE 100 index up 0.07%, France's CAC40 index up 0.51% and the European Stoxx 50 index up 0.38%.

May 11 (FAP)-European stocks collectively opened higher, with Germany's DAX30 index up 0.22%, Britain's FTSE 100 index up 0.07%, France's CAC40 index up 0.51% and the European Stoxx 50 index up 0.38%.