WellPoint buying Amerigroup for about $4.46B

Health insurer WellPoint Inc. is buying managed care provider Amerigroup Corp. for about $4.46 billion in cash, saying the deal will help it better serve Medicaid participants. Amerigroup manages publicly-funded health programs like Medicaid, the state-federal program that provides coverage for the needy and disabled. It operates in 13 states, including Texas, Florida, New York and New Jersey.