Market Movers rounded up the best reactions on Walmart from investors and analysts. Pros including Jim Cramer discussed the nation’s largest retailer’s second-quarter results , whose revenue and earnings both beat analysts’ expectations. The numbers were released premarket Thursday. Walmart also raised its full-year guidance due to strong grocery sales and surging U.S. e-commerce growth, which jumped 24% compared with the same period a year ago. Despite the outperformance, Walmart closed the trading day down 2.2%.