NEW YORK (TheStreet) -- AT&T* has been one of the big movers this afternoon after the telecom company announced that it*is refocusing on the U.S. market after attempts to acquire shares in British telecom company Vodafone fell through. During an investor conference this morning CFO John Stephens said, "We're seeing the window of opportunity in owning assets (in Europe) is closing."In refocusing ...


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