In this June 4, 2015, file photo, a shopper checks out at a Wal-Mart Neighborhood Market store in Bentonville, Ark.
In this June 4, 2015, file photo, a shopper checks out at a Wal-Mart Neighborhood Market store in Bentonville, Ark. Danny Johnston AP
In this June 4, 2015, file photo, a shopper checks out at a Wal-Mart Neighborhood Market store in Bentonville, Ark. Danny Johnston AP