After announcing plans to close hundreds of underperforming locations in the first half of 2026, a fast-food burger chain has revealed major changes across its business, including the possibility of additional restaurant closures, as it works to reverse ongoing declines in traffic and sales. The company has also acknowledged that its focus on cost and efficiency has, in some cases, weakened the brand's differentiation, a challenge it now faces as competition in the restaurant industry grows. The chain ...