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MUMBAI- Wal-Mart Stores Inc, the world's largest retailer, has picked three IT vendors including India's Infosys Technologies for multi-year contracts worth over $600 million, the Business Standard said on Friday.

MUMBAI - Infosys Technologies' business process outsourcing arm said on Thursday it had signed a deal to acquire U.S.- based McCamish Systems for an upfront payment of $38 million, and an additional $20 million based on targets.