Taco Bell's CEO says the chain's 'magic formula' is fueling growth as rivals fall flat

Source: Business Insider

Taco Bell outperformed the rest of the fast-food segment in Q4, posting growth in same-store sales while other chains struggled to remain flat. Duane Prokop/Getty Images for Taco BellTaco Bell delivered 7% same-store sales growth in Q4, outpacing the rest of the fast food category. CEO Sean Tresvant sat down with Business Insider to explain the secret to the chain's success.