This investment signifies Buffett's re-entry into UNH after liquidating his entire position back in 2010, indicating that he perceives significant value at

UnitedHealth Group ($UNH) stock continues to be under pressure, down more than 50% since mid-April. Wall Street remains concerned about the health

Shares of health insurance company UnitedHealth (NYSE:UNH) fell 3% in the afternoon session after investors took some profits off the table as markets awaited signals on future monetary policy from the Federal Reserve's Jackson Hole symposium later in the week.