(NEW YORK)Shares of some top managed care companies were mixed at the close of trading: Aetna rose $.49 or 2.1 percent, to $23.29.READ MORE

Facts about Medicare Part D prescription coverage:--Under Medicare Part D, elderly and disabled Medicare benficiaries can enroll in a private drug plan that is largely subsidized b...READ MORE

(NEW YORK)Shares of some top managed care companies are up at noon: Aetna rose $.90 or 3.9 percent, to $23.70.READ MORE

(NEW YORK)Shares of some top managed care companies are up at 10 a.m.: Aetna rose $.52 or 2.3 percent, to $23.32.READ MORE

(NEW YORK)Shares of some top managed care companies were down at the close of trading: Aetna fell $.53 or 2.3 percent, to $22.80.READ MORE

(NEW YORK)Shares of some top managed care companies are mixed at noon: Aetna rose $.38 or 1.6 percent, to $23.71.READ MORE

(NEW YORK)Shares of some top managed care companies are mixed at 10 a.m.: Aetna fell $.43 or 1.8 percent, to $22.90.READ MORE