Citadel tops list of private U.S. trading venues in new report
April 25, 2016 at 15:41 PM EDT
NEW YORK, April 25 (Reuters) - Citadel Securities, one of the top market makers in U.S. stocks and listed stock options, runs one of the largest stock trading venues in the country, according to a report released on Monday aimed at providing transparency into where stock trading occurs.