Related by context. Frequent words. (Click for all words.) 82 Archipelago Holdings Inc. 62 NYSE Euronext NYX 61 NYSE Euronext 60 Archipelago 59 NYSE NYX 59 CBOE Holdings 57 Deutsche Boerse 57 Euronext NV 56 Deutsche Börse 55 CBOT Holdings 55 CBOE 55 Euronext 55 IntercontinentalExchange Inc. 55 Ameritrade Holding Corp. 55 eSpeed 55 Deutsche Boerse AG 54 Boerse 54 John Thain 54 Nasdaq OMX Group 53 Citadel Investment 53 Instinet 53 thinkorswim 53 NYFIX 53 BATS Global 52 Nasdaq OMX 52 Robert Greifeld 51 Direct Edge 51 Options Exchange 51 IntercontinentalExchange 51 NYMEX Holdings 51 Greifeld 51 Refco 51 Intercontinental Exchange 51 NYX 51 Exchange SGX 50 Borsa Italiana 50 Deutsche Borse 50 operator Deutsche Boerse 50 CBOT 50 Thain 50 LCH.Clearnet 50 Dick Grasso 49 TMX Group 49 Mercantile Exchange CME 49 NDAQ 49 Xavier Rolet 49 BATS Exchange 49 CME Group 49 Reg NMS 49 Townsend Analytics 48 DST Systems 48 Hollinger International 48 ECNs 48 LaBranche 47 NYBOT 47 interdealer broker 47 Icap 47 ELX 47 TD Ameritrade Holding 47 Bear Stearns BSC 47 GLG Partners 46 Bear Stearns 46 NASD 46 Optionable 46 Van der Moolen 46 OptionsXpress 46 demutualization 46 Eurex 46 Niederauer 46 Bear Stearns Cos 46 Duncan Niederauer 46 PHLX 46 CCMP Capital Advisors 45 DoubleClick 45 optionsXpress 45 NYSE Arca 45 demutualized 45 Rolet 45 Converium 45 optionsXpress Holdings Inc. 45 Charles Schwab Corp. 45 Chi X 45 Maurice Hank Greenberg 45 Creditex 45 SGX 45 Clara Furse 45 LSE 44 Ameristar Casinos Inc. 44 AirTran Holdings 44 Arcelor SA 44 Stifel Financial 44 Ameritrade 44 Dynegy 44 Kloet 44 Allscripts Healthcare Solutions 44 TradeStation 44 Previous HedgeWorld Story 44 IWL 44 Mandalay Resort Group 44 BATS 43 Nybot