News roundup: CVS estimates plan to stop selling tobacco products will cost it $2 billion annually … RadioShack to close about 500 U.S. stores within months … U.S. companies add 175,000 jobs in January

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    Calling it quits: CVS Caremark is kicking the habit of selling tobacco products at its more than 7,600 drugstores nationwide as it focuses more on providing health care. The nation's second-largest dr…


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