Amex Buys $50M More Of Concur

American Express Travel Related Services Company Inc. increased its stake in Concur Technologies to 15 percent from 13 percent on Friday as it executed a warrant granted in July 2008 to purchase 1.28 million shares for nearly $50.3 million. With the additional stock, Amex now owns 7.68 million shares of Concur common stock.

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