GuestXM Data Show Big Chain Sales Ticked Up In May, While Traffic Continued to Decline

GuestXM (formerly Black Box but rebranded after its acquisition of Miller Pulse) said year-over-year same-store sales for the 75 big limited-service and full-service chains it tracks rose 1.9% in May, a slight improvement from the 1.3% y-o-y gain registered in April. Traffic in May vs. May 2022 declined 3.5%, a tiny improvement from the 3.6%…