The CAC 40 Index went up by 3 points or 0.03 percent on Wednesday to close at 8669 points. The rise was led by Edenred (2.41%), Publicis (2.35%) and Accor (1.70%). On the downside, the weakerst performers were Orange (-3.13%), STMicroelectronics (-2.55%) and Michelin (-2.08%).