UnitedHealth Group’s third-quarter net income tumbled to $2.3 billion as the giant provider of health benefits and services works toward a recovery from rising costs of providing health insurance to millions of Americans, the company said…

UnitedHealth Group’s third-quarter net income tumbled to $2.3 billion as the giant provider of health benefits and services works toward a recovery from rising costs of providing health insurance to millions of Americans, the company said…