Health Insurer Aetna, Which is Being Acquired By CVS Health, Reported 4Q 2017 Total Revenues Down 6%, Pretax Income Up 91% and Net Income Up 98% ....................................................................................... Aetna Says the Moderate Medical Cost Trend (Washington DC Should Listen) Helped Its Operating Results ....................................................................................... The Trump Tax Bill Only Increased Aetna's Income Tax Expense By $99 Mil in the 4Q 2017