CNBCWal-Mart beats on earnings, same-store sales climb as online purchases grow 60%CNBCWal-Mart on Thursday reported second-quarter earnings and sales that topped Street expectations, as the big-box retailer made further gains in its online business. Fresh digital initiatives and a growing assortment of products on Walmart.com aided the ...Wal-Mart's margins fall on price cuts, spending on e-commerceReutersWalmart's Massive Tech Investments Drive Another Quarter of Big Sales GainsFortuneOnline Sales, Solid Store Traffic Gives Walmart 2Q BoostU.S.