But high medical costs contributed to results that disappointed Wall Street, and the company’s stock fell on the news that it had made less than analysts expected.

The CEO of UnitedHealth Group has defended its role in America's health system as the company posted its first earnings results since the murder of one of its top executives. Sir Andrew Witty spoke to analysts as the firm reported mixed results,

UnitedHealth Group Inc. is set to report financial results Thursday, the first time its executives will speak publicly since the insurance unit’s chief Brian Thompson was killed last month.