The CAC 40 Index went up by 22 points or 0.28 percent on Friday to close at 7957 points. The rise was led by Essilor (3.35%), Thales (2.90%) and Pernod Ricard (2.66%). On the downside, the weakerst performers were Schneider Electric (-1.78%), Publicis (-1.18%) and Michelin (-1.17%).