UPDATE 1-With Amazon in mind, Wal-Mart to offer free shipping for 30 days
June 29, 2016 at 14:43 PM EDT
June 29 (Reuters) - Wal-Mart Stores Inc on Wednesday launched a free 30-day trial of ShippingPass, its two-day shipping program for shoppers in the United States, as the world's largest retailer looks to take on Amazon.com Inc's Prime subscription service.