How a merger between CVS and Walgreens would boost drug prices

By Sarah S. Voisin and Scott Clement Contributing WriterIn a big deal that's likely to cause a ripple effect, a $200 million merger between the CVS Health Care Corp. and Walgreen Co. is set to be completed on Monday, according to people familiar with the matter.The deal, which would be the first of its kind, would be announced Monday by

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