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

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 Bell

• Taco 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.
• Tresvant said Taco Bell's advantage lies in its value perception, innovation, and customer loyalty.