Yellen Yanks European Stocks Upwards as Rate Relief Calms Geopolitical Worries

European stocks stage a relief rally on Thursday after Federal Reserve Chairwoman Janet Yellen indicates the world’s most powerful central bank will keep interest rates low for some time. In London aircraft engines maker Rolls-Royce leads the FTSE higher after announcing a $1.7 billion share buyback, provided a recent asset sale to Siemens closes, while hedge fund manager Man crafts a clever deal for Boston-based Numeric. And in Madrid, recently listed testing and inspection services provider Applus gets a thumbs-up from Credit Suisse as the analysts begin coverage.