Millennials almost killed Diet Coke — now they're fueling its turnaround (KO)

Diet Coke finally reversed its downward spiral, Coca-Cola reported on Tuesday.In January, Diet Coke launched new flavors, packaging, and advertising in an attempt to win over millennial customers. 
Coca-Cola CEO James Quincey said that the company is considering adding "new, interesting" varieties to the Diet Coke line up, after flavors like Feisty Cherry and Twisted Mango helped win over millennial shoppers. 
 
After years of struggle, Diet Coke is finally on the cusp of a turnar