European stock markets slide at open

• In the eurozone, Frankfurt's DAX 30 index lost 0.8 percent to 13,667.80 points and the Paris CAC 40 retreated 0.7 percent to 6,041.39.

In the eurozone, Frankfurt's DAX 30 index lost 0.8 percent to 13,667.80 points and the Paris CAC 40 retreated 0.7 percent to 6,041.39.