WellPoint to buy Amerigroup for $4.5 billion in Medicaid play

http://www.reuters.com/article/2012/07/09/us-amerigroup-offer-idUSBRE8680F120120709

Health insurer WellPoint Inc will buy rival Amerigroup Corp for $4.46 billion, nearly doubling its Medicaid business in a major bet on the expansion of the U.S. government's health plan for the poor.