European stocks close down

Europe's main stock markets closed slightly lower on Friday, with London's FTSE 100 index of leading companies slipping 0.07 percent to 6,392.76 points.

In Frankfurt, the DAX 30 slid 0.27 percent to 7,911.35 points, while in Paris the CAC 40 dipped 0.12 percent to 3,770.29 points.