Medco Health Solutions Inc MHS. N will lose a major pharmacy benefit contract to CVS Caremark Corp CVS.

CVS公司去年的成立，美可保健公司将失去主要的药品利润。

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CVS, America's biggest retail drugs chain, agreed to merge with Caremark, a company that offers pharmaceutical services to health-care and insurance firms.

美国最大的药物零售连锁企业CVS (Consumer Value Stores，平价商店)同意与Care mark公司合并。Care mark是一家为医疗保健公司和保险公司提供制药服务的公司。

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Also beginning to see some profit-taking are shares of CVS Caremark Corp. (CVS).

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Walgreen competitor CVS Caremark Corporation is down a similar 17.7 percent during the last 3 months.

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But what happens when a PBM is owned by a retailer, as with CVS Caremark?

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