A spokesperson for
Regardless, anything short of an outright denial could be a troubling sign for the U.S. consumer, Wal-Mart's business, and furthermore the businesses of Wal-Mart's suppliers.
The International Securities Exchange offers an index that consists of 30 major suppliers that are heavily exposed to Wal-Mart.
We pulled 18 big publicly-traded companies that get at least 20 percent of their revenue from Wal-Mart.
These are the companies that are probably most worried about the content of those leaked emails.
Eric Platt helped compile the research for this feature.