Aetna-Coventry nuptials taking suitors off market By: MarketWatch August 20, 2012 at 13:36 PM EDT Monday’s announcement of an Aetna-Coventry Health merger is taking more potential suitors off the market, at least for the time being. Read More >> Related Stocks: Aetna Centene Corp Cigna Corp Humana Macy's Molina Healthcare Inc UnitedHealth Group Wellcare Group