Knight CEO on Trading Loss, Sadoff Role Change

Sept. 21 (Bloomberg) -- Thomas Joyce, chief executive officer of Knight Capital Group Inc., and Brian Conroy, president of Fidelity Capital Markets, talk about U.S. market efficiency, high-frequency trading and Knight's trading loss in August. Joyce also discusses the reassignment of Steven Sadoff, Knight's executive in charge of technology. They speak with Erik Schatzker and Stephanie Ruhle on Bloomberg Television's "Market Makers." (Source: Bloomberg)
Aetna to Buy Humana for $37 Billion
02:24 - Bloomberg's Francine Lacqua and Manus Cranny report on today's "Top Headlines." They speak on Bloomberg Television's "The Pulse." (Source: Bloomberg)
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