Related by context. Frequent words. (Click for all words.) 53 Leo Melamed 50 Jeffrey Sprecher 49 Astor Asset Management 49 Adena Friedman 48 CNBC Steve Liesman 48 Jeffery Yabuki 48 Thomas Peterffy 47 Pirrong 47 Ahmad Sharaf 46 Quadriserv 46 Larry Tabb 46 Penson GHCO 46 PFGBEST.com 46 Dr Nasser Saidi 46 YellowJacket 46 Michael Vinciquerra 46 Deven Sharma 45 AlphaMetrix 45 Walter Lukken 45 Bruno del Ama 45 Mark R. Fetting 45 Brendan Intindola 45 Scaramucci 44 Anand Tandon 44 Peterffy 44 BGCP 44 Prieur du Plessis 44 Nyfix 43 Chief Executive Laurence Fink 43 OptionsXpress Holdings Inc. 43 Daniel K. Tarullo 43 Don Montanaro 43 TAIFEX 42 Algorithmic Trading 42 Marshall Auerback 42 Peter Gignoux London 42 Ameritrade AMTD 42 Nasgovitz 42 Thomson TradeWeb 42 Don Coxe 42 Bob Greifeld 42 C. Sprecher 42 Alaron 42 ETFC 42 Tullet Prebon 42 FCSX 42 Getco 42 Jerker Johansson 42 Mike Thaman 41 MBS ABS 41 Buyside 41 Fagenson 41 Commodity Derivatives 41 Ralph Schlosstein 41 algo trading 41 Daniel R. DiMicco 41 Furchtgott Roth 41 Dr. Alex Parsinia 41 Craig Muhlhauser 41 Scott Minerd 41 Laurence Fink 41 International Derivatives Clearing 41 John Plender 41 Mark Skousen 41 CAPIS 41 Ms. Krawcheck 41 Nyse Euronext 41 Paul Cofoni CACI 41 Larry Zimpleman 41 Bharat Masrani 41 Justice Litle 41 Puru Saxena 41 Daniel Roling 41 Schlosstein 41 SpryWare 41 Luschini 41 TransactTools 41 Brian Wesbury 40 SIFMA 40 Debbie Matz 40 Clearbrook Financial 40 SCGLY 40 Jon Markman 40 Ms. Schapiro 40 Erik Sirri 40 optionsXpress Holdings Inc. 40 Sifma 40 RJO 40 Chip Hanlon 40 Wizetrade 40 JonesTrading 40 Lehman Fuld 40 Ved Prakash Chaturvedi 40 GETCO 40 Joe Ratterman 40 Hovde Capital 40 Gregory Mocek 40 Ajay Rajadhyaksha 40 Oanda 40 Veriana 40 Terri Belkas