Chicago,IL-Based Financial Co CME Group 4Q 2017 Net Income Was $2.939 Bil, Up a Blistering 688% or Up By $2.566 Bil From the 4Q 2016 Net Income of $373 Mil ....................................................................................... $2.600 Bil or All of the $2.566 Bil Net Income Improvement Was From an Income Tax Benefit Resulting From the Tax Debt Forgiveness Feature Included in US Trump Tax Bill, Which Is Completely Funded By US Taxpayers