Walmart's real cash cow is, of course, the U.S. market. The helm of its revenue hierarchy is the Walmart U.S. segment, which is the arm responsible for all retail stores within the United States.

Walmart Inc. is testing a new store employee structure that could result in fewer mid-management jobs but give those workers more pay and responsibility. The Bentonville retailer has already ...

Examples of the first level of the merchandise hierarchy are Walmart, Target, K-Mart or Amazon.com. The second level of the merchandise hierarchy is the department level. When the customer arrives ...