Food retailers are shifting from massive stores to smaller footprints to feed growing numbers of consumers who have urban lifestyles. CityTarget and Wal-Mart‘s Neighborhood Market are among the fastest-growing retail banners, and regional retailer Roche Bros. rolled out a smaller-format store last year. Meanwhile, Kroger’s acquisition of Roundy’s Supermarkets adds small-format Mariano’s Fresh Market to its portfolio. Read the SmartBrief/SmartBlog on Food & Beverage story here