Wal-Mart Stores announced Tuesday that it acquired New York delivery company Parcel as it girds to compete with Amazon and other supermarkets for home delivery of groceries. The purchase of Parcel, a Brooklyn-based specialist in same day, overnight and scheduled deliveries of perishable and non-perishable items, adds to Wal-Mart's push into e-commerce following the $3.3 billion purchase of Jet.com in 2016 and other smaller acquisitions. Wal-Mart senior vice president Nate Faust spotlighted consumers' shifting demands as an impetus for the deal.