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The 'Flash Boys' fight that stopped NYSE trading

4:00 PM ET Tue, 1 April 2014

Excerpts from an energetic CNBC live debate that distracted traders on the floor of the New York Stock Exchange. BATS Global Markets president William O'Brien accuses "Flash Boys" author Michael Lewis and IEX's Brad Katsuyama of using fear about high-frequency trading to promote Katsuyama's exchange.