Craig Donohue, chief executive officer of CME Group, speaks during the Sandler O'Neill's Global Exchange and Brokerage Conference in New York

Reuters
Craig Donohue, chief executive officer of CME Group, speaks during the Sandler O'Neill's Global Exchange and Brokerage Conference in New York
Craig Donohue, chief executive officer of CME Group, speaks during the Sandler O'Neill's Global Exchange and Brokerage Conference in New York June 10, 2011. REUTERS/Lucas Jackson
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