- Walmart is rolling out next-day delivery. Look out, AmazonCNN
- Walmart fights back against Amazon with one-day shipping in some U.S. marketsYahoo Finance
- Walmart announces next-day delivery, firing back at AmazonCNBC
- Las Vegas Walmart shoppers among 1st to try next-day shippingLas Vegas Review-Journal
- SHIPPING WARS: Walmart blows Amazon out of the water with its own free, next-day deliveryBusiness Insider
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