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A Agilent Technologies Inc. AHR Anthracite Capital, Inc. APWR A-Power Energy
AA Alcoa, Inc. AHS AMN Healthcare Services Inc. APX BlackRock Apex Municipal Fund Inc.
AAC Ableauctions.com Inc. AHT Ashford Hospitality Trust Inc. APY Aspyra Inc.
AACC Asset Acceptance Capital Corp. AHY SafetyFrstTrstPrplPrtdTrCtfsLkdS&P500Idx AQD SEK Aclrtd Rtrn Nt Lkd to S&P 500 Idx
AAI AirTran Holdings Inc. AI Arlington Asset Investment Corp. AQQ American Spectrum Realty Inc.
AAME Atlantic American Corp. AIA iShares S&P Asia 50 Index Fund AQS Adelante Shares RE Shelter
AAN Aaron's, Inc. AIB Allied Irish Banks plc ARA Aracruz Celulose S.A.
AANB Abigail Adams National Bancorp Inc. AIG American International Group, Inc. ARAY Accuray Incorporated
AAON AAON Inc. AIM Aerosonic Corp. ARB Arbitron Inc.
AAP Advance Auto Parts Inc. AIMC Altra Holdings, Inc. ARBA Ariba Inc.
AAPL Apple Inc. AIN Albany International Corp. ARBX Arbinet Corporation
AAR AMR Corp 7.875% Pines 2039 AINV Apollo Investment Corporation ARBXD Arbinet Corp
AATI Advanced Analogic Technologies, Inc. AIP Hadera Paper Ltd. ARCC Ares Capital Corporation
AAU Almaden Minerals Ltd. AIPC American Italian Pasta Co. ARCI Appliance Recycling Centers of America Inc.
AAUK Anglo Amer AIQ Alliance Healthcare Services, Inc. ARCL Archipelago Learning Inc
AAV Advantage Energy Income Fund AIR AAR Corp. ARCW ARC Wireless Solutions Inc.
AAWW Atlas Air Worldwide Holdings Inc. AIRM Air Methods Corp. ARD Arena Resources Inc.
AAXJ iShares MSCI All Cntry Asia Ex Japan AIRT Air T Inc. ARDNA Arden Group Inc.
AB AllianceBernstein Holding L.P. AIRV Airvana, Inc. ARE Alexandria Real Estate Equities Inc.
ABA ALABAMA PWR SER JJ AIS Antares Pharma Inc. AREX Approach Resources, Inc.
ABAT Advanced Battery Technologies Inc. AIT Applied Industrial Technologies, Inc. ARG Airgas Inc.
ABAX Abaxis Inc. AIV Apartment Investment & Management Co. ARGN Amerigon Inc.
ABB ABB Ltd. AIXG Aixtron Aktienge ARI APOLLO COMMERCIAL RE FIN INC
ABBC Abington Bancorp Inc. AIZ Assurant Inc. ARIA Ariad Pharmaceuticals Inc.
ABC AmerisourceBergen Corporation AJG Arthur J Gallagher & Co. ARII American Railcar Industries
ABCB Ameris Bancorp AKAM Akamai Technologies Inc. ARJ Arch Chemicals Inc.
ABCD Cambium Learning Group Inc AKE St Spx Sx Nk Sbr ARK BlackRock Senior High Income Fund, Inc.
ABCO Advisory Board Co. AKF AMBAC FINCL GRP 5.95 DEBS 2103 C ARKR Ark Restaurants Corp.
ABCW Anchor BanCorp Wisconsin, Inc. AKN Safety FstTr PriPrtTr CrtLi US EuJap Bsk ARL American Realty Investors Inc.
ABD ACCO Brands Corporation AKNS Akeena Solar, Inc. ARLP Alliance Resource Partners LP
ABFS Arkansas Best Corp. AKOA Embotelladora Andina S.A. ARM ArvinMeritor Inc.
ABG Asbury Automotive Group, Inc. AKOB Embotelladora Andina Series B ARMH Arm Holdings
ABH Abitibibowater Inc AKP Alliance California Municipal Income Fund Inc. ARNA Arena Pharmaceuticals, Inc.
ABII Abraxis BioScience, Inc. AKR Acadia Realty Trust ARO Aeropostale Inc.
ABIO ARCA biopharma, Inc. AKRX Akorn Inc. AROW Arrow Financial Corporation
ABK Ambac Financial Group, Inc. AKS AK Steel Holding Corp. ARP American Reprographics Co.
ABL American Biltrite Inc. AKT AMBAC FINANCIAL ARQL ArQule Inc.
ABM ABM Industries Inc. ALAN Alanco Technologies Inc. ARR Armour Resd Reit
ABMC American Bio Medica Corp. ALB Albemarle Corp. ARRS Arris Group Inc.
ABMD Abiomed Inc. ALC Assisted Living Concepts Inc. ARRY Array BioPharma, Inc.
ABR Arbor Realty Trust Inc. ALCO Alico Inc. ARSD Arabian American Development Company
ABT Abbott Laboratories ALD Allied Capital Corporation ARST ArcSight, Inc.
ABTL Autobytel Inc. ALDA Aldila Inc. ART ARTIO GLOBAL INVESTORS INC
ABV Companhia de Bebidas Das Americas (AMBEV) ALE ALLETE Inc. ARTG Art Technology Group Inc.
ABVA Alliance Bankshares Corporation ALEX Alexander & Baldwin, Inc. ARTL Aristotle Corp.
ABVC COMPANHIA DE BEBIDAS DAS AME ALF ALABAMA PWR 5.625 SER AA ARTLP ARISTOTLE CP PR
ABVT Abovenet Inc. ALG Alamo Group Inc. ARTNA Artesian Resources Corp.
ABX Barrick Gold Corporation ALGN Align Technology Inc. ARTW Art's-Way Manufacturing Co. Inc.
ABY SEK Aclrtd Rtrn Br Nt Lnkd to S&P 500Idx ALGT Allegiant Travel Company ARTX Arotech Corp.
ACAD ACADIA Pharmaceuticals, Inc. ALIM Alimera Sciences ARUN Aruba Networks, Inc.
ACAP American Physicians Capital, Inc. ALJ Alon USA Energy, Inc. ARW Arrow Electronics, Inc.
ACAS American Capital, Ltd. ALK Alaska Air Group Inc. ARWR Arrowhead Research Corp.
ACAT Arctic Cat Inc. ALKS Alkermes, Inc. ARYX ARYx Therapeutics, Inc.
ACC American Campus Communities Inc. ALL Allstate Corp. ASA ASA Limited
ACCL Accelrys Inc. ALLB Alliance Bancorp Inc of Pennsylvania ASB AdvanSource Biomaterials Corporation
ACE ACE Limited ALLI Allion Healthcare, Inc. ASBC Associated Banc-Corp
ACET Aceto Corp. ALLT Allot Communications Ltd. ASBI Ameriana Bancorp
ACF AmeriCredit Corp. ALM ALABAMA POWER CO. SERIES ASCA Ameristar Casinos Inc.
ACFC Atlantic Coast Federal Corporation ALN AMERICAN LORAIN CORP ASCMA Ascent Media Corp
ACFN Acorn Energy, Inc. ALNC Alliance Financial Corporation ASEI American Science & Engineering Inc.
ACG AllianceBernstein Income Fund, Inc. ALNY Alnylam Pharmaceuticals, Inc. ASF Administaff Inc.
ACGL Arch Capital Group Ltd. ALO Bk Am Cp Ac Rtrn Nts Lkd S&P 500 Ix ASFI Asta Funding Inc.
ACGY Acergy Adr ALOG Analogic Corporation ASFN Atlantic Southern Financial Group, Inc.
ACH Aluminum Corporation Of China Limited ALOT Astro-Med Inc. ASG Liberty All Star Growth Fund Inc.
ACHN Achillion Pharmaceuticals, Inc. ALOY Alloy Inc. ASGN On Assignment Inc.
ACI Arch Coal Inc. ALQ Alabama Power Co ASGR America Service Group Inc.
ACIW ACI Worldwide, Inc. ALRN Amer Claims Evaluation ASH Ashland Inc.
ACK Adelante Shares RE Classics ALSK Alaska Communications Systems Group Inc. ASI American Safety Insurance Holdings Ltd.
ACL Alcon Inc. ALT iShares Diversified Alternatives Trust ASIA AsiaInfo Holdings Inc.
ACLI American Commercial Lines Inc. ALTE Alterra Cap Hold ASMI ASM International NV
ACLID ALTH Allos Therapeutics, Inc. ASML ASML Holding
ACLS Axcelis Technologies Inc. ALTI Altair Nanotechnologies, Inc. ASO AirShares EU Carbon Allowances Fund
ACM AECOM Technology Corporation ALTR Altera Corp. ASP American Strategic Income Portfolio Inc.
ACMR AC Moore Arts & Crafts Inc. ALTU Altus Pharmaceuticals Inc. ASPM Aspect Medical Systems, Inc.
ACN Accenture Ltd. ALU Alcatel-Lucent ASPS Altisource Prtfl
ACO Amcol International Corp. ALV Autoliv, Inc. ASPSV Altisource Portfolio Solutions
ACOM Ancestry.com Inc ALVR Alvarion Ltd. ASR Grupo Aeroportuario Del Sureste SA de CV
ACOR Acorda Therapeutics, Inc. ALX Alexander's Inc. ASRV AmeriServ Financial, Inc.
ACPW Active Power Inc. ALXA Alexza Pharmaceuticals Inc. ASRVP AmeriServ Finl
ACS Affiliated Computer Services, Inc. ALXN Alexion Pharmaceuticals, Inc. ASTC Astrotech Corp.
ACTG Acacia Research Corporation ALY Allis-Chalmers Energy, Inc. ASTE Astec Industries Inc.
ACTI ActivIdentity Corporation ALZ Alabama Power Co. ASTI Ascent Solar Technologies Inc.
ACTL Actel Corporation AM American Greetings Corp. ASTIZ Ascent Solar Technologies Inc
ACTS Actions Semiconductor Co., Ltd. AMAC American Medical Alert Corp. ASTM Aastrom Biosciences, Inc.
ACTU Actuate Corp. AMAG AMAG Pharmaceuticals, Inc. ASTMD Aastrom Biosci
ACU Acme United Corp. AMAT Applied Materials Inc. ASUR Asure Software, Inc.
ACUR Acura Pharmaceuticals Inc. AMB AMB Property Corp. ASURD Asure Software
ACV Alberto-Culver Co. AMBO Ambow Education Holding Ltd. ASX Advanced Semiconductor Engineering Inc.
ACWI iShares MSCI ACWI Indx Fund AMCC Applied Micro Circuits Corp. ASYS Amtech Systems Inc.
ACWX iShares MSCI ACWI ex US Indx Fund AMCE Amer Claims Evaluation ATA Sft Us Euro Japn
ACXM Acxiom Corporation AMCF Andatee China Marine Fuel Serv ATAC ATC Technology Corporation.
ACY AeroCentury Corp. AMCN AirMedia Group Inc. ATAI ATA Inc
ADAM ADAM Inc. AMCS AMICAS Inc. ATAX America First Tax Exempt Investors LP
ADAT Authentidate Holding Corp. AMD Advanced Micro Devices Inc. ATBC Atlantic Bancgroup Inc.
ADBE Adobe Systems Inc. AME Ametek Inc. ATC Cycle Country Accessories Corp.
ADC Agree Realty Corp. AMED Amedisys Inc. ATCO American Technology Corp.
ADCT ADC Telecommunications Inc. AMEN Amen Properties ATE Advantest Corp.
ADEP Adept Technology Inc. AMFI AMCORE Financial, Inc. ATEA Astea International Inc.
ADES ADA-ES Inc. AMG Affiliated Managers Group Inc. ATEC Alphatec Holdings, Inc.
ADF ACM Managed Dollar Income Fund, Inc. AMGN Amgen Inc. ATGN AltiGen Communications Inc.
ADG Allied Defense Group Inc. AMIC American Independence Corp. ATHN Athenahealth, Inc.
ADGF Adams Golf Inc. AMIE Ambassadors International Inc. ATHR Atheros Communications Inc.
ADI Analog Devices Inc. AMIN American International Industries Inc. ATHX Athersys, Inc.
ADJ Morgan Stanley 8% SPARQS Lkd Intel Corp AMJ JP Morgan Alerian MLP ETN ATI Allegheny Technologies Inc.
ADK AdCare Health Systems Inc. AMK MS Protected Abslt Rtrn Barrier S&P500Ix ATK Alliant Techsystems Inc.
ADL AMDL, Inc. AMKR Amkor Technology, Inc. ATLO Ames National Corporation
ADLR Adolor Corp. AMLN Amylin Pharmaceuticals Inc. ATLS Atlas America Inc.
ADM Archer-Daniels-Midland Co. AMM Sf Tr S&P500 PPC ATMI ATMI Inc.
ADP Automatic Data Processing, Inc. AMMD American Medical Systems Holdings Inc. ATML Atmel Corp.
ADPI American Dental Partners, Inc. AMN Ameron International Corporation ATN Atlas Energy Resources LLC
ADPT Adaptec Inc. AMNB American National Bankshares Inc. ATNI Atlantic Tele-Network Inc.
ADRA BLDRS ASIA 50 ADR IDX FD AMO ML Acclrtd Rtrn Nts Lkd MSCI EAFE Ix ATO Atmos Energy Corp.
ADRD BLDRS DEV MKTS 100 ADR IDX FD AMOT Allied Motion Technologies Inc. ATPG ATP Oil & Gas Corp.
ADRE BLDRS EMER MKTS 50 ADR IDX FD AMOV AMERICA MOVIL SA DE CV A ADS ATR AptarGroup, Inc.
ADRU BLDRS EUROPE 100 ADR IDX FD AMP Ameriprise Financial Inc. ATRC AtriCure, Inc.
ADS Alliance Data Systems Corporation AMPH American Physicians Service Group Inc. ATRI ATRION Corp.
ADSK Autodesk, Inc. AMPL Ampal-American Israel Corp. ATRM Aetrium Inc.
ADTN ADTRAN Inc. AMR AMR Corporation ATRN Atrinsic, Inc.
ADUS Addus HomeCare Corporation AMRB American River Bankshares ATRO Astronics Corp.
ADVNA Advanta Cp AMRI Albany Molecular Research Inc. ATSC ATS Corporation
ADVNB Advanta Corp. AMRN Amarin Corp ATSG Air Transport Services Group, Inc.
ADVS Advent Software, Inc. AMS American Shared Hospital Services ATSI ATS Medical Inc.
ADX The Adams Express Company AMSC American Superconductor Corporation ATT AT&T
ADY American Dairy Inc. AMSF Amerisafe, Inc. ATU Actuant Corporation
ADZ DB Agriculture Short ETN AMSG AmSurg Corp. ATV Acorn International, Inc.
AE Adams Resources & Energy Inc. AMSWA American Software, Inc. ATVI Activision Blizzard, Inc.
AEA Advance America, Cash Advance Centers Inc. AMT American Tower Corp. ATW Atwood Oceanics Inc.
AEB AEGON NV FLTG PERP AMTC Ameritrans Capital Corp. ATX AT Cross Co.
AEC Associated Estates Realty Corp. AMTCP AMERITRANS CAP CORP PFD PRT ATY Adelante Shares RE Yield Plus
AED AEGON NV PERP CAP AMTD TD AMERITRADE Holding Corporation AU AngloGold Ashanti Ltd.
AEE Ameren Corporation AMTY Amerityre Corp. AUBN Auburn National Bancorporation, Inc.
AEF AEGON N.V. AMV Alternative Asset Mngmnt Acqstn Corp AUDC AudioCodes Ltd.
AEG Aegon Nv AMWD American Woodmark Corp. AUMN Golden Minerals Co
AEH AEGON N V 6.375% AMX America Movil S.A.B. de C.V. AUO AU Optronics Corp.
AEHR Aehr Test Systems AMY AB Svensk Ekportkredit AUTC Autochina Intl
AEIS Advanced Energy Industries, Inc. AMZN Amazon.com Inc. AUTCU Autochina In Ut
AEL American Equity Investment Life Holding Co. AN AutoNation Inc. AUTCW Autochina In
AEM Agnico-Eagle Mines Ltd. ANAD Anadigics, Inc. AUTH AuthenTec, Inc.
AEN Adeona Pharmaceuticals, Inc. ANAT American National Insurance Co. AUXL Auxilium Pharmaceuticals Inc.
AEO American Eagle Outfitters Inc. ANCI American Caresource Holdings, Inc. AUY Yamana Gold, Inc.
AEP American Electric Power Co., Inc. ANCX Access National Corp. AV AVIVA PLC
AEPI AEP Industries Inc. ANDE The Andersons, Inc. AVA Avista Corp.
AER AerCap Holdings N.V. ANDS Anadys Pharmaceuticals Inc. AVAV AeroVironment, Inc.
AERG Applied Energetics, Inc. ANEN Anaren Inc. AVB Avalonbay Communities Inc.
AERT Advanced Environmental Recycling Technologies, Inc. ANF Abercrombie & Fitch Co. AVCA Advocat Inc.
AES The AES Corporation ANGN Angeion Corp. AVCT Avocent Corporation
AET Aetna Inc. ANGO AngioDynamics Inc. AVD American Vanguard Corp.
AETI American Electric Technologies, Inc ANH Anworth Mortgage Asset Corporation AVEO AVEO Pharmaceuticals Inc
AEV AEGON NV PERP CAP ANI ARN LINKED TO THE EN AVF American International Group Inc
AEY ADDvantage Technologies Group Inc. ANIK Anika Therapeutics Inc. AVGN Avigen Inc.
AEZ American Oil & Gas Inc. ANLY Analysts International Corp. AVGO Avago Technologies Limited
AEZS Aeterna Zentaris Inc. ANLYD Analyt Int Nw Co AVID Avid Technology Inc.
AF Astoria Financial Corporation ANN AnnTaylor Stores Corp. AVII AVI Biopharma, Inc.
AFAM Almost Family Inc. ANNB Annapolis Bancorp Inc. AVK Advent Claymore Convertible Securities & Income Fund
AFB AllianceBernstein National Municipal Income Fund, Inc ANO Anooraq Resources Corporation AVN ML 12% STRIDES Linked to Apple Inc
AFC Allied Capital Corp ANPI Angiotech Pharma Inc AVNR Avanir Pharmaceuticals
AFCB Athens Bancshares Corp ANR Alpha Natural Resources, Inc. AVNW Aviat Networks
AFCE AFC Enterprises Inc. ANSS Ansys, Inc. AVP Avon Products Inc.
AFE AMER FINCL GRP 7 1/8 DEBS 2034 ANSV Anesiva, Inc. AVSR
AFF American International Group Inc ANSW Answers Corporation AVT Avnet Inc.
AFFM Affirmative Insurance Holdings Inc. ANTF Ante4 AVTR Avatar Holdings Inc.
AFFX Affymetrix Inc. ANTH Anthera Pharmaceuticals Inc AVX AVX Corp.
AFFY Affymax, Inc. ANTP Phazar Corp. AVY Avery Dennison Corporation
AFG American Financial Group Inc. ANV Allied Nevada Gold Corp. AWBC AmericanWest Bancorporation
AFK MV AFRICA ETF ANW Aegean Marine Petroleum Network Inc. AWC Alumina Ltd.
AFL AFLAC Inc. ANX Adventrx Pharmaceuticals Inc. AWF AllianceBernstein Global High Income Fund, Inc.
AFN Alesco Financial Inc. ANY MS 14% SPARQS Apple AWH Allied World Assurance Company Holdings Ltd.
AFO Safety Nikkei225 AOA iShares S&P Aggressive Allocation Fund AWI Armstrong World Industries, Inc.
AFOP Alliance Fiber Optic Products Inc. AOB American Oriental Bioengineering Inc. AWIN
AFP United Capital Corp. AOC Aon Corporation AWK American Water Works Company, Inc.
AFSI Amtrust Financial Services Inc (NY) AOD ALPINE TOTAL DYNAMIC AWP Alpine Global Premier Properties Fund
AFT Axesstel Inc. AOF MS Prtctd Abslt Rtn Brr Nt Bsd S&P500 Id AWR American States Water Company
AGA DB Agriculture Double Short ETN AOI Alliance One International, Inc. AWRE Aware Inc.
AGAM AGA Medical Holdings Inc AOK iShares S&P Conservative Allocation Fund AWX Avalon Holdings Corp.
AGB Sf Tr Djia Nk225 AOM iShares S&P Moderate Allocation Fund AXA AXA
AGC Advent Claymore Glbl Cnvtbl Sec& Incm Fd AON Aon Corp AXAS Abraxas Petroleum Corp.
AGCO AGCO Corp. AONE A123 Systems Inc AXC Advanced Tech Acq Corp
AGD ALPINE GLOBAL DYNAMIC DIVIDEND AOR iShares S&P Growth Allocation Fund AXD
AGEN Antigenics Inc. AOS AO Smith Corp. AXE Anixter International Inc.
AGF DB Agriculture Long ETN AOSL Alpha and Omega Semiconductor L AXF AB Svnsk Ekprtkrdt Acclrtd Rt Nt Lkd S&P
AGG ISHARES LEHMAN AGGREGATE BD FD AP Ampco-Pittsburgh Corp. AXFN MSCI ACWI ex US Financials Sector Index
AGII Argo Group International Holdings, Ltd. APA Apache Corp. AXG Atlas Acquisition Holdings Corp
AGL AGL Resources Inc. APAB Appalachian Bancshares Inc. AXK Accelr8 Technology Corp.
AGM Federal Agricultural Mortgage Corp. APAC APAC Customer Services Inc. AXL American Axle & Manufacturing Holdings Inc.
AGMA Fed Agricultural Mtg Cl A APAGF Apco Argentina Inc AXN Aoxing Pharmaceutical Company
AGN Allergan Inc. APB Asia Pacific Fund Inc. AXP American Express Company
AGNC American Capital Agency Corp. APC Anadarko Petroleum Corp. AXR AMREP Corp.
AGO Assured Guaranty Ltd. APCVZ Fresenius Kabi Pharmaceuticals Hldng Inc AXS Axis Capital Holdings Ltd.
AGP AMERIGROUP Corp. APD Air Products & Chemicals Inc. AXT ML & Co Inc Cpd LvgdIdxRtrnNtsS&P500Idx
AGQ ProShares Ultra Silver APEI American Public Education, Inc. AXTI AXT Inc.
AGR Swdsh Exp Cr Ac Rtrn Nts Lkd Rs l2000 Ix APF MSDW Asia Fund AXU Alexco Resource Corporation
AGT Apollo Gold Corp. APFC American Pacific Corp. AXYS Axsys Technologies, Inc.
AGU Agrium Inc. APH Amphenol Corporation AYA
AGV Adelante Shares RE Growth API Advanced Photonix Inc. AYE Allegheny Energy Inc.
AGX Argan, Inc. APKT Acme Packet, Inc. AYI Acuity Brands, Inc.
AGYS Agilysys Inc. APL Atlas Pipeline Partners LP AYN Alliance New York Municipal Income Fund Inc.
AGZ iShares Barclays Agency Bond Fund APO American Community Properties Trust AYR Aircastle LTD
AH Accretive Health Inc APOG Apogee Enterprises Inc. AYT Barclays GEMS Asia-8
AHB Sf Tr Spx Sx Sbr APOL Apollo Group Inc. AZ ALLIANZ Se
AHC A. H. Belo Corporation APP American Apparel, Inc. AZC Augusta Resource Corp.
AHCI Allied Healthcare International Inc. APPA AP Pharma Inc. AZK Aurizon Mines Ltd.
AHD ATLAS PIPELNE HLDING APPY AspenBio Pharma Inc. AZM Allianz SE
AHGP Alliance Holdings Gp, L.P. APSA Alto Palermo S.A. AZN AstraZeneca plc
AHII Animal Health International, Inc. APSG Applied Signal Technology, Inc. AZO AutoZone Inc.
AHL Aspen Insurance Holdings Ltd. APT Alpha Pro Tech Ltd. AZP Sf Tr Spx Sx Nky
AHPI Allied Healthcare Products Inc. APU AmeriGas Partners LP AZZ AZZ incorporated