BUSINESS
03/31/2014 09:07 am ET Updated Mar 31, 2014

An Adaptation From ‘Flash Boys: A Wall Street Revolt,' By Michael Lewis

Thomas Lohnes via Getty Images

Before the collapse of the U.S. financial system in 2008, Brad Katsuyama could tell himself that he bore no responsibility for that system. He worked for the Royal Bank of Canada, for a start. RBC might have been the fifth-biggest bank in North America, by some measures, but it was on nobody’s mental map of Wall Street.

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