CME Group (CME) said Terry Duffy will step down as CEO and become executive chairman of the board, effective March 1.
He will be succeeded by Lynne Fitzpatrick, 48, the current chief financial officer and president, the company said Wednesday in a regulatory filing.
CME shares fell 4.6% in Wednesday trading.
Price: $249.60, Change: $-12.00, Percent Change: -4.59%