Criteo's retail media gamble backfires as client cuts erase year of growth: Advertising platform faces $75 million revenue headwind in 2026 after major retailers slash managed services. https://ppc.land/criteos-retail-media-gamble-backfires-as-client-cuts-erase-year-of-growth/ #Criteo #RetailMedia #Advertising #MarketingNews #ClientCuts