Credit Suisse
ITG
NYSE Euronext
MIXIT
Morgan Stanley
FlexTrade
Barclays Capital
SunGard
Bank of America Merrill Lynch
Wedbush
TAG
Lime Brokerage
Bloomberg
Fidessa
BATS
LIVEVOL
CBOE
David Harris, Chicago Board Options Exchange/CBOE Stock Exchange, Chicago; Bryan Harkins, Direct Edge, Jersey City; Paul Adcock, NYSE Euronext, Chicago; Jamie Selway (Moderator),White Cap Trading; Brian Hyndman, Nasdaq OMX, Joe Bracco, BATS Exchange, all New York.
George Metrou, Perritt Capital Mgmt.; Jeff Pralle, RMB Capital Mgmt.; Ray Murray, Jones Trading Institutional Services, all Chicago; Jeff Nordstrom, Peregrine Capital Mgmt., Minneapolis; Robert Koci, Principal Global Investor, Des Moines; Walter Mis, BTIG, Chicago; Dale Favors, Piper Jaffray, New York.
Matt Cushman, Knight Equity Markets; Tim Cox, Bank of America Merrill Lynch, both Jersey City; Jantin Suryawanshi, Jefferies & Co., Chicago; Gordon Charlop, PhD, Rosenblatt Securities (Moderator); Gary Stone, Bloomberg Tradebook, both New York; Edward O´Malley, PDQ ATS, Glenview; Chris Lees, SunGard Trading, Jersey City.
Dan Clifton, Strategas Research Partners, New York.
Steven Levitt, Economist and Best Selling Author of "Freakonomics"
Ovidio Montemayor, TD Ameritrade, Fort Worth; Fred Ingles, Citadel, Chicago; John Lassen, TD Ameritrade, Fort Worth.
Marie Shaub, Michael Ottrando, both MIXIT, New York.
Jacob Bunge, Dow Jones Newswire, Chicago; Stacie Swanstrom, Nasdaq OMX, Rockville.
Allison Jacobs, Bank of America Merrill Lynch, New York; Thomas Foertsch, Exchange Capital, Chicago; Joanna Fields, Deutsche Bank, New York.
Stacie Swanstrom, Nasdaq OMX, Rockville; Steve and Doreen Pickett, Firm58, Chicago.
Drew Krichman, Getco Execution Services; Seth Weber, Barclays Capital, both New York.
Fred Ingles, Citadel, Chicago; David Pilla, Oppenheimer, New York.
Mariana Espinosa, Jersey City; Craig Caimi, Chicago; both SunGard Trading.
Laura Yunger, Harry Bailey, Catherine Armstrong, Mary Shortal, Bob Puricelli, all Cheevers, Chicago.
Tony Connolly, MCM Group; Ryan Armstrong, Cheevers; Klaus Offenbacher, SJS Trade Partners, all Chicago.
Allison Stiefel, Raymond and Laurie Glowa, both Bank of America Merrill Lynch, all Chicago.
Michael and Denise Arnashus, TD Securities; Dave Creagan, Bank of America Merrill Lynch, all Chicago.
Rob Philippa, RBS; Mary Rose Dombrowski, Brokers Express, both Chicago; Carl Brazendale, Pershing, Oak Brook.
Karen College, Canaccord Capital, Toronto; John Tirpak, Bank of America Merrill Lynch, Jersey City; Marty Rogan, Kristen Resch, both Pershing, Jersey City; Mary Ann Powers, BMO Capital Markets, Toronto.
Roger Post, TAG, New York; Jim Hacker, STAC life Members
