Aetna Inc. Aetna, Humana Halt Their $34 Billion Merger Aetna and Humana has decided to call off their $34 billion merger after judge blocked the merger pla... Feb 15, 2017 09:03 AM EST Health insurers under investigation over Hepatitits C treatment and drug coverage A total of 16 health insurers were issued subpoenas by the New York state attorney general's office.... Mar 03, 2016 10:46 PM EST