10/27/2010 09:38 am ET | Updated May 25, 2011

Wall Street Proprietary Trading Under Cover: Michael Lewis

A few weeks ago we asked a simple question: Why are the same Wall Street banks that lobbied so hard to dilute the passages in the Dodd-Frank financial overhaul bill banning proprietary trading now jettisoning their proprietary trading groups, without so much as a whimper?

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