U.S. regulators on Monday fined the operator of a so-called dark-pool trading platform for allegedly running a secret affiliate business that traded against the "vast majority" of customers' orders.
WSJ.com: What's News US, Wall Street Journal
Mon, 10/24/2011 - 9:29am
U.S. regulators on Monday fined the operator of a so-called dark-pool trading platform for allegedly running a secret affiliate business that traded against the "vast majority" of customers' orders.