European stocks slump on Greek uncertainty

European stock markets slumped Thursday over a lack of progress in negotiations between Greece and its creditors, with talks set to continue as a loan repayment looms for Athens. In the eurozone, the CAC 40 in Paris lost 0.93 percent to 4,987.13 points, and Frankfurt's DAX 30 dropped 0.69 percent to 11,340.60 points. Greece's main index ended the day with a loss of 1.32 percent, after having opened with a three percent drop after Greece and its creditors failed to reach a breakthrough