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Wal-Mart Controversy Hits Mexican Stock

Monday, 23 Apr 2012 | 11:45 AM ET

CNBC's Michelle Caruso-Cabrera reports Wal-Mart's Mexican counterpart, Walmex shares are down more than 10% amid WMT's bribery probe, and a look at south of the border business practices, with William George, Harvard Business School professor.