Mergers and Acquisitions

Celgene to Buy Receptos for About $7.2 Billion

Celgene Corp. has reached a deal to buy fellow biopharmaceutical company Receptos Inc. for about $7.2 billion, enhancing its portfolio of immune-inflammatory disease treatments with the addition of Ozanimod.

Aetna Agrees to Buy Humana for $34.1 Billion

Aetna Inc. said Friday that it had agreed to buy Humana Inc. for $34.1 billion in cash and stock, following weeks of frenzied merger talks among the largest health insurers.