Key Takeaways UnitedHealth shows steady growth with 12% revenue rise despite earnings hit from higher medical costs.CNC posted 21.9% revenue growth but swung to a loss as it works on margin recovery and exits weak markets.UNH's stronger margins, cash flow and lower leverage contrast with CNC's higher risk and turnaround upside.UnitedHealth Group Incorporated (UNH) and Centene Corporation (CNC) operate at the core of the healthcare industry, offering government-sponsored and commercial health plans. Both ben ...