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Wal-Mart, P&G Top Cannondale's 2007 PoweRanking Study
WILTON, Conn. -- Wal-Mart and Procter & Gamble are identified as the "best of the best" in this year's PoweRanking Study released this week by Cannondale Associates, based here. The annual study highlights those manufacturers and retailers who have sustained positive performance over time.