Regulators Still Stumped On May 6 'Flash Crash' Origin

Law360, New York (May 20, 2010, 2:16 PM EDT) -- Top regulators joined a Senate panel Thursday to delve into the events of May 6, when an apparent confluence of jitters, heavy trading volume and, potentially, error triggered a 998-point plunge in Wall Street's bellwether Dow Jones Industrial Average.

During much of the hearing, high-minded market terms such as "stop-price logic," “dark pools,” and “co-location” were bandied about, but few expressed any confidence that a smoking gun had been uncovered in the two weeks since the so-called flash crash.

U.S. Securities and Exchange Commission Chairwoman Mary...
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