The 2011 Fortune 500 List

The 2011 Fortune 500 List
Wal-Mart remains atop Fortune 500 list
Wal-Mart Stores Inc. remains atop the Fortune 500 list even as it struggled to keep its U.S. customers coming in the door.

The world's largest retailer held onto the top spot for the second year in a row thanks to gains at its international stores. The company's U.S. division has had seven straight quarters of declines in revenue