Signage is displayed on a Humana Inc. office building in Louisville, Kentucky, U.S., on Saturday, Feb. 2, 2019. Humana is scheduled to release earnings figures on February 6.Shares of U.S. health insurers fell on Tuesday after the Biden administration didn't boost payments for private Medicare plans as much as the insurance industry and investors had hoped. Shares of CVS Health fell more than 6% on Tuesday, while UnitedHealth Group's stock slid roughly 6%. Shares of Elevance Health dropped 2% and Centene's ...