Doug McMillon, President and CEO, Wal-Mart Stores Inc. International, speaks to shareholders during Wal-Mart Stores Inc's annual general meeting in Fayetteville, Arkansas in this file photo from June ... more 
Doug McMillon, President and CEO, Wal-Mart Stores Inc. International, speaks to shareholders during Wal-Mart Stores Inc's annual general meeting in Fayetteville, Arkansas in this file photo from June 3, 2011. Wal-Mart Stores Inc on November 25, 2013 named McMillon to replace Chief Executive Mike Duke, who will retire on Jan. 31 after five years at the helm of the world's largest retailer. REUTERS/Sarah Conard/Files (UNITED STATES - Tags: BUSINESS) less 
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Reuters | Photo By SARAH CONARD / REUTERS
Mon, Nov 25, 2013 12:34 PM EST