American Express sponsors U.S. Open

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New York—American Express Co. is once again partnering with the U.S. Tennis Association to sponsor the U.S. Open tennis tournament, which runs through Sept. 11 in New York. AmEx, which has been a U.S. Open sponsor for 18 years, introduced several new programs this year, including a U.S. Open iPhone app, which gives users up-to-date information about the tournament, and a new website at, where fans can register their cards to receive special offers.
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