Yum! Brands, Inc. (NYSE: YUM )'s restaurant portfolio also paid off in February, because Pizza Hut attracted more Chinese diners even with the scandal hanging over KFC. Pizza Hut reported a 13% sales gain, helping Yum! overall rack up a 2% same store sales gain for the month in China. After the announcement came out, Yum! shares rose 6.3% higher after hours on March 11. China's got Yum! investors' attention right now, but the chain's also got plans in the United States. Doritos Tacos Taco Bell built on the success of its earlier Doritos tacos launch by rolling out Cool Ranch tacos. The fast food chain explained that its March 7 Cool Ranch launch topped off a successful social media marketing campaign.