Key PointsYum! Brands is selling its Pizza Hut business in two transactions totaling $2.7 billion.The deal allows Yum! to exit its smallest and poorest performing business.Slimming down and focusing on strong businesses sounds good, but restaurant customers can be very fickle. 10 stocks we like better than Yum! Brands › Yum! Brands (NYSE: YUM) is one of the largest restaurant companies in the world. It owns KFC and Taco Bell. However, it has jus…