CNBC | Europe ekes out gains as oil slips; Roche jumps CNBC European stocks eked out gains by Friday's close as investors watched the renewed decline in oil prices, ahead of comments from U.S. Federal Reserve Chair Janet Yellen. The pan-European Stoxx 600 index ended up 0.1 to 0.2 percent provisionally. On the ... Stocks Climb to Three-Week High Before Yellen as Dollar Gains |