Aetna, Anthem CEOs Tell Senators That Super-Mergers Won’t Stifle Insurer Competition

The executives defended their planned mergers before a Senate subcommittee Tuesday, saying consumers would benefit from the consolidation. But some senators expressed doubts. If Aetna acquires Humana and Anthem buys Cigna, as proposed, the top five U.S. health insurers would shrink to a big three.