Aetna nears deal to buy Humana By: MarketWatch July 02, 2015 at 21:06 PM EDT Aetna is nearing a deal to buy Humana, in a tie-up of health insurers that could be announced this week, The Wall Street Journal reports. Read More >> Related Stocks: Aetna Anthem Inc Cigna Corp Humana Macy's UnitedHealth Group