In this Sept. 19, 2013 file photo, customers walk outside of a Wal-mart store in San Jose, Calif. Wal-Mart Stores Inc. reports quarterly financial results before the market opens Thursday, Feb. 19, 2015.
In this Sept. 19, 2013 file photo, customers walk outside of a Wal-mart store in San Jose, Calif. Wal-Mart Stores Inc. reports quarterly financial results before the market opens Thursday, Feb. 19, 2015. Jeff Chiu AP
In this Sept. 19, 2013 file photo, customers walk outside of a Wal-mart store in San Jose, Calif. Wal-Mart Stores Inc. reports quarterly financial results before the market opens Thursday, Feb. 19, 2015. Jeff Chiu AP