Boulogne-Billancourt, France, 2015-6-2 — /EPR Retail News/ — From 21 May 2015 onwards, you can go shopping at any time of the day and night, seven days a week.  It’s the debut, under the banner of typical products and flavours of Neapolitan cuisine, of the new “Gourmet” Carrefour Market on Corso Europa. To celebrate the opening of…