CNBC | Stocks jump on Yellen's comments, oil rise CNBC European stocks posted solid gains on Tuesday as investors digested the latest comments from U.S. Federal Reserve Chair Janet Yellen that appear to have killed off any chance for an interest rate hike this month. The pan-European STOXX 600 came off ... Oil gains tempered after Janet Yellen rates speech European shares get boost from oil prices, Yellen comments Oil's rally beyond $50 per barrel endures |