Yum! CEO confident in growth potential of newly launched platform.

Mexican full-service restaurant chain operates 157 locations in 36 states and three countries.

The fast-food chain gets aggressive in the morning, in the wake of new competition.

Fast-food chain reported 1 percent increase in revenues for the first quarter.

Rising costs for beef and avocados push the chain to pass on costs to diners.

New platform integrates digital ordering, payment and service.

Operators are experimenting with the protein across day-parts in innovative ways.

Menu innovation, new marketing strategies led to improved trends during company's third quarter.

Restaurant operators are using a wider variety of claims to describe how food is prepared and from where it was sourced.

Sales for top burger chains slipped in 2013 on weak performance in fast-food and market saturation in metropolitan areas.