Walmart Inc. WMT, +0.90% customers in Farmington, Ark., can now place their orders for drone delivery through DroneUp. Walmart announced its investment in DroneUp in June. The service will ultimately come to three stores, with locations in Rogers, Ark., and Bentonville, Ark., adding drone delivery in the coming months. The option will be available from 8 a.m. to 8 p.m. daily, and orders, which are placed on the DroneUp website, can be delivered in 30 minutes. Walmart stock has slipped 0.8% for the year to date while the Dow Jones Industrial Average DJIA, +0.86% has gained 17.2% for the period.