Cowen Boosts Yum Brands; Taco Bell Growth, Buyback Potential Excite By: Benzinga via Benzinga December 01, 2015 at 09:33 AM EST Shares of Yum! Brands, Inc. (NYSE: YUM) have dipped 19.52 percent over the past six months, declining almost to its 52-week low ... Read More >> Related Stocks: Yum Brands