AT&T and Verizon warn investors of higher Q4 churn as Sprint and T-Mobile increase competitionWhile the traditional wireless landscape in the United States has consisted of AT&T and Verizon Wireless as the heavyweights and Sprint and T-Mobile as the underdogs, the divide between the carriers appears to be quickly narrowing. Sprint and T-Mobile have both introduced highly-competitive plans and promotional offerings in the fourth quarter, leading many consumers to switch […]<img alt="" border="0" src="
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AT&T and Verizon warn investors of higher Q4 churn as Sprint and T-Mobile increase competition
