UnitedHealth Group trounced first-quarter expectations even as costs from a cyberattack to its Change Healthcare business ate into the company’s performance. The health care giant also Tuesday that care patterns in the year’s first quarter met its expectations after soaring medical costs at the end of last year surprised Wall Street. Company shares jumped in early-morning trading. UnitedHealth said earlier this year that a ransomware group had gained access to some of the systems of its... Read this story at Quartz India , The Hill , Yahoo Finance