10 best-performing S&P 500 stocks of 2014 By: MarketWatch June 02, 2014 at 09:17 AM EDT There have been many surprises, as M&A heats up and yields decline, writes Phil van Doorn. Read More >> Related Stocks: AT&T Inc Actavis Plc Berkshire Hathaway Coca-Cola Company Comcast Corp DIRECTV Delta Air Lines Electronic Arts Exelon Corp Keurig Green Mountain Nabors Industries Newfield Exploration Pepco Holdings SanDisk Corp Southwest Airlines Time Warner Cable Valeant Pharmaceuticals International, Inc.