UnitedHealth Group's 4Q 2017 Net Income Was $3.7 Bil, Up 118%, or Up $2.0 Bil From the 4Q 2016 Net Income of $1.7 Bil ...................................................................................... The Trump Tax Bill Corporate Tax Debt Forgiveness Increased UnitedHealth's 4Q 2017 Net Income By $1.2 Bil ...................................................................................... Thus the Trump Tax Bill's Gift Bestowed on UnitedHealth Accounted For 60% of UnitedHealth's 4Q 2017 Earnings Increase