Healthcare Morning After: Aetna, Cigna Rise, Others Fall; Amerigroup Upgraded

the U.S. House of Representatives last night, health insurers stocks have diverged sharply in pre-market trading, with Aetna (AET) up 71 cents, or 2%, at $35.17, and Cigna (CI) up 97 cents, or 2.6%, at $38.05, and just about everyone else trading down or...