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Vodafone CEO says they could leave U.S., Reuters reports

Vodafone Group (VOD) CEO Vittorio Colao said he could not rule out an exit from the U.S., a day after reporting results showing the Verizon Wireless business there has become the main growth engine for the British company. Vodafone owns 45% of Verizon Wireless and Verizon Communications (VZ) owns the rest, reports Reuters.