The investment group hired a new advertising agency to create (1) a series of new ad campaigns, (2) a changed menu to focus on male consumers, (3) a series of programs designed to revamp individual stores, and (4) a new concept called the BK Whopper Bar. These changes led to profitable quarters and re-energized the chain. In May2006, the investment group took Burger King public by issuing an Initial Public Offering (IPO). The investment group continued to own 31% of the outstanding common stock