Walmart shares rose Tuesday morning after the retail giant reported a stronger-than-expected holiday quarter. E-commerce sales increased by 43 percent and same-store sales rose more than 4 percent. Senator Bernie Sanders (I-VT) jumped into the 2020 presidential race, years after his failed bid in the 2016 election. Plus, we chat with heavyweigh champ Anthony Joshua to hear about his U.S. debut this June at Madison Square Garden.