(Bloomberg) -- Credit Suisse Group AG, Barclays Plc and UBS AG were the largest darkpools in the Financial Industry Regulatory Authoritys first weekly report meant to make the private trading systems more transparent.
The Wall Street regulator created the repository to reveal how much U.S. equity volume is handled on alternative trading systems including dark pools. The private platforms have won market share from the public exchanges, which now only handle about 60% of volume, and drawn scorn from critics including author Michael Lewis, whose Flash Boys argues that broker-dealers use dark pools to rip off investors.
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