Boulogne-Billancourt, FRANCE, 2014-12-1 — /EPR Retail News/ — Carrefour announces today that it has completed the acquisition of Dia France. This transaction is in line with Carrefour’s multi-format and multi-channel expansion strategy. It allows Carrefour to reinforce its presence across France to better serve its clients. The integration of Dia by Carrefour now enters a new stage. The…