Related by context. Frequent words. (Click for all words.) 49 Duncan 49 Education Secretary Arne 45 NYSE Euronext 43 Duncan Niederauer 39 Niederauer 37 Clara Furse 37 NASDAQ OMX 37 Arne Duncan 36 NDAQ 36 IntercontinentalExchange 36 TMX Group 36 Greifeld 36 NYSE NYX 35 Secretary Arne Duncan 35 CME Group 35 R Tenn 35 TradeWeb 34 Ron Huberman 34 EpiCept Corporation 34 Thain 34 NYSE Euronext NYX 34 Rolet 34 Euronext 34 NYMEX Holdings 34 NASDAQ OMX Group 34 NASDAQ 33 Trayport 33 Education Arne Duncan 33 Robert Greifeld 33 CDS clearing 33 Orc Software 33 NYBOT 33 Mercantile Exchange CME 33 NYFIX 33 Xetra 32 Nasdaq OMX 32 DIFX 32 Options Exchange 31 TMX 31 BATS Global 31 Exchange DIFX 31 Kloet 31 John Thain 31 Herb Allison 31 Equinix 31 Joel Klein 31 Exchange SGX 31 NYSE Arca 31 CBOE Holdings 31 & FBOVESPA 30 Chi X 30 Allan 30 Interxion 30 Margaret Spellings 30 CEO Alan Mulally 30 Interactive Data 30 Paul Vallas 30 Governor Randall Kroszner 30 James 30 operator Deutsche Boerse 30 CBOE 30 postsecondary education 29 Liquidnet 29 GL TRADE 29 IntercontinentalExchange Inc. 29 PHLX 29 Eurex 29 DTCC 29 Keith 29 & FBovespa 29 Archipelago Holdings Inc. 29 algorithmic trading 29 SES GLOBAL 28 Secretary Margaret Spellings 28 Samuel Bodman 28 Achievement Gap 28 Citadel Investment 28 Deutsche Börse 28 Chancellor Michelle Rhee 28 Angus 28 Charles Dharapak File 28 Gery Chico 28 FICC 28 Marc Morial 28 commissioner Don Garber 28 Roy Romer 28 Nasdaq 28 Deutsche Boerse 28 CBOT Holdings 28 KKR Private Equity 27 BlackRock 27 NYX 27 ADSM 27 ELX 27 Euronext Amsterdam 27 GLG Partners 27 Intercontinental Exchange 27 Rod Paige 27 Archipelago 27 Francioni 27 SGX