UnitedHealth Group beat forecasts for its earnings in the third quarter, and the U.S.'s largest health insurance provider finally hiked its 2020 outlook after holding off while trying to sort out COVID-19’s impact.Health insurers had approached 2020 forecasts cautiously so far this year, even though many reaped huge profits in the first half as the spreading pandemic kept people home and out of the health care system.Both analysts and insurers have said they expected medical costs to rise in the second half of the year, as communities that had shut down opened back up and people felt more comfortable seeking elective surgeries.UnitedHealth said Wednesday that both care patterns and prescription volumes approached normal levels in its.