- It's been a long run at the top for Walmart, but the megastore chain is about to get overtaken as America's No. 1 retailer.
- The new champ? Amazon, who's projected to overtake Walmart by the year 2024.
- Amazon already accounts for over 10 percent of the retail market, and that's expected to swell to nearly 15 percent over the next four years. Meanwhile, Walmart's retail share is shrinking.
Melissa Forman in the MorningFull Bio