Humana, Aetna shares spike after merger-related announcement

Investors are cheering Aetna’s announcement that it is issuing $13 billion in bonds to help pay for the company’s planned acquisition of Louisville-based Humana. Shares of both companies were up more than 3 percent in early-afternoon trading. Major indices had moved little. Aetna had announced last summer that it plans to buy Humana, which employs […]