Active Movers - Ultra Petroleum Corp. (NYSE:UPL), Newfield Exploration Co. (NYSE:NFX), Silver Wheaton Corp. (USA) (NYSE:SLW), Xcel Energy Inc (NYSE:XEL)

New York, NY -- (SBWIRE) -- 12/07/2013 -- StockMarketIntel.com issues a special report on the following stocks: Ultra Petroleum Corp. (NYSE:UPL), Newfield Exploration Co. (NYSE:NFX), Silver Wheaton Corp. (USA) (NYSE:SLW), Xcel Energy Inc (NYSE:XEL)