This story was originally published on Restaurant Dive. To receive daily news and insights, subscribe to our free daily Restaurant Dive newsletter. Dive Brief: Wingstop saw a 5.8% decline in domestic same-store sales in Q4 2025, according to its earnings release. The chain’s average unit volume fell from $138,000 year over year, dropping to $2 million in the quarter. Despite this sales softness, the fast casual chain saw more than a 9% increase in systemwide sales in the quarter, thanks to 493 net resta ...