Walmart Q2 earnings call: Top takeaways

Walmart (WMT) smashed expectations in its second quarter earnings results, beating on both the top and bottom line and raising its full-year guidance. Walmart’s e-commerce sales grew 24 percent in the United States and 26 percent worldwide. The company’s ad sales are also up 36 percent in the U.S. year-over-year. Yahoo Finance Reporter Brooke DiPalma breaks down some of the top takeaways from Walmart's second quarter earnings call.