IRVINE, Calif.--(BUSINESS WIRE)--Khang & Khang LLP (the “Firm”) announces that a class action lawsuit has been filed against Investment Technology Group, Inc. (“Investment Technology” or the “Company”) (NYSE: ITG). Investors who purchased or otherwise acquired shares between February 28, 2011 and July 29, 2015, inclusive (the “Class Period”) are encouraged to contact the Firm immediately to discuss their legal options. If you purchased shares of Investment Technology during the Class Period


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