Walmart, the largest retailer and private employer in the U.S., reported another strong quarter, surpassing Wall Street expectations as it enticed shoppers with more discounts on groceries.  The Arkansas-based company reported consolidated revenue climbed 4.8% to $169.34 billion during the three-month period ending July 31, higher than the$168.53 billion Wall Street expected. Adjusted earnings per share came in at $0.67, also above the$0.65 analysts expected.The company also raised its guidance for the fu ...