CNBC | Europe ekes out gains despite oil slip; Roche jumps 4% CNBC European stocks eked out gains by Friday's close as investors kept an eye on 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. Stocks Climb to Three-Week High Before Yellen as Dollar Gains |