Burger King's US sales increased significantly last quarter, marking five consecutive periods of growth. This surge followed investments in advertising, remodels, and menu upgrades, including a revamped Whopper. Limited-time offers, such as a Star Wars tie-in, also attracted more customers to the restaurants. In contrast, McDonald's US business experienced its slowest growth pace recently. Restaurant Brands International's overall sales rose, though other brands faced slower growth.

McDonalds posted higher second-quarter profit and revenue, though sales growth in its US market slowed as cautious consumers curbed spending. The company appointed a new US…

McDonald's has jostled its menu and has sought to lure some of those customers to stores through value meals and other specials