Unexpectedly, Craig Donohue will step down from the CEO post of CME Group (CME) at year-end, to...

|About: CME Group Inc. (CME)|By:, SA News Editor

Unexpectedly, Craig Donohue will step down from the CEO post of CME Group (CME) at year-end, to be replaced by President Phupinder Gill - and while Donohue says it isn't about MF Global (MFGLQ.PK), the brokerage's collapse leaves a cloud over CME and has invited scrutiny from Congress and raters.