The health insurer has been facing multiple headwinds this year and a turnaround may not happen quick for the stock.

I would like to receive updates and special offers from Dow Jones and affiliates. I can unsubscribe at any time.

UnitedHealth Group (UNH) stock is still down 40% YTD but has surged more than +20% this month following reports that Warren Buffett, and other billionaire hedge fund managers have taken a stake in the company.