Aetna and Humana on Tuesday announced they would not appeal a recent court decision rejecting their planned merger and would instead will end the deal. “While we continue to believe that a combined company would create greater value for health care consumers through improved affordability and quality, the current environment makes it too challenging to continue pursuing the transaction,” Aetna Chairman and CEO Mark T. Bertolini said. “We are disappointed to take this course of action after 19 months of...