NU Online News Service, June 18, 3:45 p.m. – Aetna Inc., Hartford, says it has borrowed $678 million by issuing bonds that will pay 8.5% in annual interest and mature in 2041.

Aetna has the option to call the bonds, or pay the loans off early, in five years.

Aetna issued the bonds to refinance it accumulated earlier by issuing commercial paper.