Insurer stock prices continue to rise, with stock performance by the major U.S. insurers outstripping the stock market by large margins, according to research by Brian Klepper of Worksite Health Advisors. In the period Klepper has been tracking the stocks of Humana, UnitedHealthCare, Cigna and Anthem, Humana’s stock price has risen from $31.58 to $497.24, […]