CIGNA Corp. is swapping its stoic corporate logo for one that relies on nature’s oldest symbol of life and stability to burnish the insurance giant’s brand image. The Philadelphia-based health ...

FILE - This photo shows the Cigna logo at the headquarters of the health insurer Cigna Corp., in Philadelphia on Aug 4, 2011.

Cigna logo displayed on a smartphone with an economic stock exchange index graph in the background. (Budrul Chukrut/SOPA Images/LightRocket via Getty Images) · SOPA Images via Getty Images The ...