CME Shareholders of the former GFI Group Inc. may sue 2 top executives On Tuesday, Shareholders of the former GFI Group Inc may file a lawsuit accusing two top executives ... Feb 11, 2016 01:36 AM EST U.K. speed trader arrested over role in 2010 'flash crash' A high-frequency trader was arrested in the United Kingdom over his alleged role in the May 2010 "fl... Apr 21, 2015 06:35 PM EDT