Terrence "Terry" Duffy, chairman and president of CME Group Inc., center, speaks during a Senate Agriculture Committee hearing with Vincent "Vince"...
Senator Joseph "Joe" Donnelly, a Democrat from Indiana, listens during a Senate Agriculture Committee hearing in Washington, D.C., U.S., on Tuesday,...
Terrence "Terry" Duffy, chairman and president of CME Group Inc., left, looks on as Andrei Kirilenko, professor at the Massachusetts Institute of...
Senator Joseph "Joe" Donnelly, a Democrat from Indiana, questions witnesses during a Senate Agriculture Committee hearing in Washington, D.C., U.S.,...
Terrence "Terry" Duffy, chairman and president of CME Group Inc., listens during a Senate Agriculture Committee hearing in Washington, D.C., U.S., on...
Terrence "Terry" Duffy, chairman and president of CME Group Inc., right, speaks during a Senate Agriculture Committee hearing with Vincent "Vince"...
Terrence "Terry" Duffy, chairman and president of CME Group Inc., arrives to a Senate Agriculture Committee hearing in Washington, D.C., U.S., on...