For a list of stocks from the major US stock exchanges which are used in the Stock Challenge, please see the links below. Stocks symbols are listed by alphabetical order.

A - Agilent Technologies, Inc.
AA - Alcoa Corporation
AAC - AAC Holdings, Inc.
AACG -
AACQ -
AACQU -
AACQW -
AAIC -
AAL - American Airlines Group, Inc.
AAMC - Altisource Asset Management Cor
AAME - Atlantic American Corporation
AAN - Aaron's, Inc.
AAOI - Applied Optoelectronics, Inc.
AAON - AAON, Inc.
AAP - Advance Auto Parts Inc Advance
AAPL - Apple Inc.
AAT - American Assets Trust, Inc.
AAU - Almaden Minerals, Ltd. Common S
AAWW - Atlas Air Worldwide Holdings
AAXJ - iShares MSCI All Country Asia e
AB - AllianceBernstein Holding L.P.
ABB - ABB Ltd
ABBV - AbbVie Inc.
ABC - AmerisourceBergen Corporation
ABCB - Ameris Bancorp
ABCL -
ABCM -
ABEO - Abeona Therapeutics Inc.
ABEV - Ambev S.A. American Depositary
ABG - Asbury Automotive Group Inc
ABGI -
ABIO - ARCA biopharma, Inc.
ABM - ABM Industries Incorporated
ABMD - ABIOMED, Inc.
ABNB -
ABR - Arbor Realty Trust
ABST -
ABT - Abbott Laboratories
ABTX - Allegiance Bancshares, Inc.
ABUS - Arbutus Biopharma Corporation
AC - Associated Capital Group, Inc.
ACA -
ACAC -
ACACU -
ACACW -
ACAD - ACADIA Pharmaceuticals Inc.
ACAH -
ACAHU -
ACAHW -
ACB -
ACBAU -
ACBI - Atlantic Capital Bancshares, In
ACC - American Campus Communities Inc
ACCD -
ACCO - Acco Brands Corporation
ACEL - Alfacell Corporat
ACER -
ACET - Aceto Corporation
ACEV -
ACEVU -
ACEVW -
ACGL - Arch Capital Group Ltd.
ACGLO -
ACGLP - Arch Capital Group Ltd.
ACH - Aluminum Corporation of China L
ACHC - Acadia Healthcare Company, Inc.
ACHL -
ACHV -
ACI - Arch Coal, Inc. Common Stock
ACIC -
ACII -
ACIU - AC Immune SA
ACIW - ACI Worldwide, Inc.
ACKIT -
ACKIU -
ACKIW -
ACLS - Axcelis Technologies, Inc.
ACM - AECOM
ACMR - A.C. Moore Arts &
ACN - Accenture plc Class A Ordinary
ACNB - ACNB Corporation
ACND -
ACOR - Acorda Therapeutics, Inc.
ACP - Avenue Income Credit Strategies
ACQR -
ACQRU -
ACQRW -
ACR -
ACRE - Ares Commercial Real Estate Cor
ACRS - Aclaris Therapeutics, Inc.
ACRX - AcelRx Pharmaceuticals, Inc.
ACST - Acasti Pharma, Inc.
ACTC -
ACTCU -
ACTCW -
ACTDU -
ACTG - Acacia Research Corporation
ACU - Acme United Corporation.
ACV - AllianzGI Diversified Income &
ACVA -
ACWI - iShares MSCI ACWI Index Fund
ACWX - iShares MSCI ACWI ex US Index F
ACY - AeroCentury Corp.
ADAG -
ADAP - Adaptimmune Therapeutics plc -
ADBE - Adobe Systems Incorporated
ADC - Agree Realty Corporation
ADCT - ADC Telecommunica
ADER -
ADERU -
ADERW -
ADES - Advanced Emissions Solutions, I
ADEX -
ADI - Analog Devices, Inc.
ADIL -
ADILW -
ADM - Archer-Daniels-Midland Company
ADMA - ADMA Biologics Inc
ADMP - Adamis Pharmaceuticals Corporat
ADMS - Adamas Pharmaceuticals, Inc.
ADN -
ADNT - Adient plc Ordinary Shares
ADNWW -
ADOC -
ADOCR -
ADOCW -
ADP - Automatic Data Processing, Inc.
ADPT - Adeptus Health Inc. Common Stoc
ADRA - BLDRS Asia 50 ADR Index Fund
ADRE - BLDRS Emerging Markets 50 ADR I
ADS - Alliance Data Systems Corporati
ADSK - Autodesk, Inc.
ADT - ADT Corporation Common Stock
ADTN - ADTRAN, Inc.
ADTX -
ADUS - Addus HomeCare Corporation
ADV -
ADVM - Adverum Biotechnologies, Inc.
ADVWW -
ADX - Adams Diversified Equity Fund I
ADXN -
ADXS - Advaxis, Inc.
AE - Adams Resources & Energy, Inc.
AEAC -
AEACU -
AEACW -
AEB - AEGON N.V. Perp. Cap. Secs. Flo
AEE - Ameren Corporation
AEF - Aegon NV Perpetua
AEFC -
AEG - AEGON N.V.
AEGN - Aegion Corp
AEHL -
AEHR - Aehr Test Systems
AEI -
AEIS - Advanced Energy Industries, Inc
AEL - American Equity Investment Life
AEM - Agnico Eagle Mines Limited
AEMD - Aethlon Medical, Inc.
AENZ -
AEO - American Eagle Outfitters, Inc.
AEP - American Electric Power Company
AEPPL -
AEPPZ -
AER - Aercap Holdings N.V. Ordinary S
AERI - Aerie Pharmaceuticals, Inc.
AES - The AES Corporation
AESC -
AESE -
AEVA -
AEY - ADDvantage Technologies Group,
AEYE -
AEZS - AEterna Zentaris Inc.
AFAQU -
AFB - AllianceBernstein National Muni
AFBI -
AFCG -
AFG - American Financial Group, Inc.
AFGB -
AFGC -
AFGD -
AFGE - American Financial Group, Inc.
AFI - Armstrong Flooring, Inc. Common
AFIB -
AFIN -
AFINO -
AFINP -
AFL - AFLAC Incorporated
AFMD - Affimed N.V.
AFRM -
AFT - Apollo Senior Floating Rate Fun
AFYA -
AG - First Majestic Silver Corp. Ord
AGAC -
AGBA -
AGBAR -
AGBAU -
AGBAW -
AGC - Advent Claymore Convertible Sec
AGCB -
AGCO - AGCO Corporation
AGCUU -
AGCWW -
AGD - Alpine Global Dynamic Dividend
AGE -
AGEN - Agenus Inc.
AGFS - AgroFresh Solutions, Inc.
AGFY -
AGGR -
AGGRU -
AGGRW -
AGI - Alamos Gold Inc. Class A
AGIO - Agios Pharmaceuticals, Inc.
AGL - AGL Resources, In
AGLE - Aeglea BioTherapeutics, Inc.
AGM - Federal Agricultural Mortgage C
AGMH -
AGNC - AGNC Investment Corp.
AGNCM -
AGNCN -
AGNCO -
AGNCP - AGNC Investment Corp. - Cumulat
AGNG -
AGO - Assured Guaranty Ltd.
AGR - Avangrid, Inc.
AGRO - Adecoagro S.A.
AGRX - Agile Therapeutics, Inc.
AGS -
AGTC - Applied Genetic Technologies Co
AGTI -
AGX - Argan, Inc.
AGYS - Agilysys, Inc.
AGZD - WisdomTree Barclays U.S. Aggreg
AHAC -
AHACU -
AHACW -
AHC - A.H. Belo Corporation
AHCO -
AHH - Armada Hoffler Properties, Inc.
AHPI - Allied Healthcare Products, Inc
AHT - Ashford Hospitality Trust Inc
AI - Arlington Asset Investment Corp
AIA - iShares Asia 50 ETF
AIC - Arlington Asset Investment Corp
AIF - Apollo Tactical Income Fund Inc
AIG - American International Group, I
AIH -
AIHS -
AIKI -
AIM - Aerosonic Corpora
AIMC - Altra Industrial Motion Corp.
AIN - Albany International Corporatio
AINC - Ashford Inc. Common Stock
AINV - Apollo Investment Corporation -
AIO -
AIQ - Alliance HealthCare Services, I
AIR - AAR Corp.
AIRC -
AIRG - Airgain, Inc.
AIRI - Air Industries Group
AIRR - First Trust RBA American Indust
AIRT - Air T, Inc.
AIRTP -
AIRTW -
AIT - Applied Industrial Technologies
AIV - Apartment Investment and Manage
AIW - Arlington Asset Investment Corp
AIZ - Assurant, Inc.
AIZN -
AJAX -
AJG - Arthur J. Gallagher & Co.
AJRD - Aerojet Rocketdyne Holdings, In
AJX - Great Ajax Corp.
AJXA -
AKAM - Akamai Technologies, Inc.
AKBA - Akebia Therapeutics, Inc.
AKIC -
AKICU -
AKICW -
AKR - Acadia Realty Trust
AKRO -
AKTS -
AKTX - Akari Therapeutics Plc - Americ
AKU -
AKUS -
AKYA -
AL - Air Lease Corporation Class A
ALAC -
ALACR -
ALACU -
ALACW -
ALB - Albemarle Corporation
ALBO - Albireo Pharma, Inc.
ALC - Assisted Living C
ALCO - Alico, Inc.
ALDX - Aldeyra Therapeutics, Inc.
ALE - Allete, Inc.
ALEC -
ALEX - Alexander & Baldwin, Inc.
ALF - Alabama Power Com
ALFIW -
ALG - Alamo Group, Inc.
ALGM -
ALGN - Align Technology, Inc.
ALGS -
ALGT - Allegiant Travel Company
ALHC -
ALIM - Alimera Sciences, Inc.
ALJJ - ALJ Regional Holdings, Inc.
ALK - Alaska Air Group, Inc.
ALKS - Alkermes plc - Ordinary Shares
ALKT -
ALL - Allstate Corporation (The)
ALLE - Allegion plc Ordinary Shares
ALLK -
ALLO -
ALLT - Allot Communications Ltd. - Ord
ALLY - Ally Financial Inc. Common Stoc
ALNA -
ALNY - Alnylam Pharmaceuticals, Inc.
ALOT - AstroNova, Inc.
ALPN -
ALRM - Alarm.com Holdings, Inc.
ALRN - American Learning
ALRS -
ALSK - Alaska Communications Systems G
ALSN - Allison Transmission Holdings,
ALT -
ALTA -
ALTG -
ALTM -
ALTO -
ALTR - Altera Corporation
ALTU - Altus Pharmaceuti
ALTUU -
ALTUW -
ALTY - Global X SuperDividend Alternat
ALUS - Alsius Corporatio
ALV - Autoliv, Inc.
ALVR - Alvarion Ltd.
ALX - Alexander's, Inc.
ALXN - Alexion Pharmaceuticals, Inc.
ALXO -
ALYA -
AM - Antero Midstream Partners LP Co
AMAL -
AMAO -
AMAOU -
AMAOW -
AMAT - Applied Materials, Inc.
AMBA - Ambarella, Inc. - Ordinary Shar
AMBC - Ambac Financial Group, Inc.
AMBO - Ambow Education H
AMC - AMC Entertainment Holdings, Inc
AMCA -
AMCR -
AMCX - AMC Networks Inc.
AMD - Advanced Micro Devices, Inc.
AME - AMETEK, Inc.
AMED - Amedisys Inc
AMEH -
AMG - Affiliated Managers Group, Inc.
AMGN - Amgen Inc.
AMH - American Homes 4 Rent of Benef
AMHC -
AMHCU -
AMHCW -
AMK - MORGAN STANLEY
AMKR - Amkor Technology, Inc.
AMN - AMN Healthcare Services Inc AMN
AMNB - American National Bankshares, I
AMOT - Allied Motion Technologies, Inc
AMOV - America Movil, S.A.B. de C.V. C
AMP - Ameriprise Financial, Inc.
AMPE - Ampio Pharmaceuticals, Inc.
AMPG -
AMPGW -
AMPH - Amphastar Pharmaceuticals, Inc.
AMPI -
AMPY -
AMR - AMR Corporation C
AMRB - American River Bankshares
AMRC - Ameresco, Inc. Class A
AMRK - A-Mark Precious Metals, Inc.
AMRN - Amarin Corporation plc - Americ
AMRS - Amyris, Inc.
AMRX -
AMS - American Shared Hospital Servic
AMSC - American Superconductor Corpora
AMSF - AMERISAFE, Inc.
AMST -
AMSWA - American Software, Inc.
AMT - American Tower Corporation (REI
AMTB -
AMTBB -
AMTI -
AMTX - Aemetis, Inc
AMWD - American Woodmark Corporation
AMWL -
AMX - America Movil, S.A.B. de C.V. A
AMYT -
AMZN - Amazon.com, Inc.
AN - AutoNation, Inc.
ANAB -
ANAC - Anacor Pharmaceuticals, Inc.
ANAT - American National Insurance Com
ANDA - Andina Acquisition Corp. II - O
ANDAR - Andina Acquisition Corp. II - R
ANDAU - Andina Acquisition Corp. II - U
ANDAW - Andina Acquisition Corp. II - W
ANDE - The Andersons, Inc.
ANEB -
ANET - Arista Networks, Inc.
ANF - Abercrombie & Fitch Company
ANGI - ANGI Homeservices Inc.
ANGL -
ANGN - Angeion Corporati
ANGO - AngioDynamics, Inc.
ANIK - Anika Therapeutics Inc.
ANIP - ANI Pharmaceuticals, Inc.
ANIX -
ANNX -
ANPC -
ANSS - ANSYS, Inc.
ANTE -
ANTM - Anthem, Inc.
ANVS -
ANY - Sphere 3D Corp.
ANZU -
ANZUU -
ANZUW -
AOD - Alpine Total Dynamic Dividend F
AON - Aon plc Class A Ordinary Shares
AONE - A123 Systems, Inc
AOS - A.O. Smith Corporation
AOSL - Alpha and Omega Semiconductor L
AOUT -
AP - Ampco-Pittsburgh Corporation
APA - Apache Corporation
APAM - Artisan Partners Asset Manageme
APD - Air Products and Chemicals, Inc
APDN - Applied DNA Sciences Inc
APEI - American Public Education, Inc.
APEN -
APG -
APGB -
APH - Amphenol Corporation
API - Advanced Photonix
APLE - Apple Hospitality REIT, Inc.
APLS -
APLT -
APM -
APO - Apollo Global Management, LLC C
APOG - Apogee Enterprises, Inc.
APOP - Cellect Biotechnology Ltd. - Am
APOPW - Cellect Biotechnology Ltd. - Wa
APP - American Apparel Inc Common Sto
APPF - AppFolio, Inc.
APPH -
APPHW -
APPN -
APPS - Digital Turbine, Inc.
APR -
APRE -
APRN -
APSG - Applied Signal Te
APT - Alpha Pro Tech, Ltd.
APTO - Aptose Biosciences, Inc.
APTS - Preferred Apartment Communities
APTV -
APTX -
APVO - Aptevo Therapeutics Inc.
APWC - Asia Pacific Wire & Cable Corpo
APXT -
APXTU -
APXTW -
APYX -
AQB -
AQMS - Aqua Metals, Inc.
AQN - Algonquin Power & Utilities Cor
AQNA -
AQNB -
AQST -
AQUA -
AQWA -
AR - Antero Resources Corporation
ARAV -
ARAY - Accuray Incorporated
ARBG -
ARBGU -
ARBGW -
ARC - ARC Document Solutions, Inc.
ARCB - ArcBest Corporation
ARCC - Ares Capital Corporation - Clos
ARCE -
ARCH - Arch Coal, Inc. Class A Common
ARCO - Arcos Dorados Holdings Inc. Cla
ARCT - American Realty C
ARD - Ardagh Group S.A.
ARDC - Ares Dynamic Credit Allocation
ARDS -
ARDX - Ardelyx, Inc.
ARE - Alexandria Real Estate Equities
AREC -
ARES - Ares Management L.P. Common Uni
ARGD -
ARGO -
ARGX -
ARI - Apollo Commercial Real Estate F
ARKO -
ARKOW -
ARKR - Ark Restaurants Corp.
ARL - American Realty Investors, Inc.
ARLO -
ARLP - Alliance Resource Partners, L.P
ARMK - Aramark
ARMP -
ARNA - Arena Pharmaceuticals, Inc.
ARNC - Arconic Inc. Common Stock
AROC - Archrock, Inc. Common Stock
AROW - Arrow Financial Corporation
ARPO -
ARQT -
ARR - ARMOUR Residential REIT, Inc.
ARRW -
ARRWU -
ARRWW -
ARRY - Array BioPharma Inc.
ARTL - The Aristotle Cor
ARTLW -
ARTNA - Artesian Resources Corporation
ARTW - Art's-Way Manufacturing Co., In
ARVL -
ARVLW -
ARVN -
ARW - Arrow Electronics, Inc.
ARWR - Arrowhead Pharmaceuticals, Inc.
ARYA -
ARYD -
ASA - ASA Gold and Precious Metals L
ASAI -
ASAN -
ASAQ -
ASAX -
ASAXU -
ASAXW -
ASB - Associated Banc-Corp Common Sto
ASC - Ardmore Shipping Corporation Co
ASET - FlexShares Real Assets Allocati
ASG - Liberty All-Star Growth Fund, I
ASGI -
ASGN - On Assignment, Inc.
ASH - Ashland Global Holdings Inc.
ASIX - AdvanSix Inc. Common Stock
ASLE -
ASLEW -
ASLN -
ASM - Avino Silver & Gold Mines Ltd.
ASMB - Assembly Biosciences, Inc.
ASML - ASML Holding N.V. - ADS represe
ASND - Ascendis Pharma A/S - American
ASO -
ASPC -
ASPCU -
ASPCW -
ASPL -
ASPN - Aspen Aerogels, Inc.
ASPS - Altisource Portfolio Solutions
ASPU -
ASR - Grupo Aeroportuario del Sureste
ASRT -
ASRV - AmeriServ Financial Inc.
ASRVP - AmeriServ Financial Inc. - Amer
ASTC - Astrotech Corporation
ASTE - Astec Industries, Inc.
ASTS -
ASTSW -
ASUR - Asure Software Inc
ASX - Advanced Semiconductor Engineer
ASXC -
ASYS - Amtech Systems, Inc.
ASZ -
AT - Atlantic Power Corporation Ordi
ATA - SAFETY FIRST TRUS
ATAC - ATC Technology Co
ATAQ -
ATAX - America First Multifamily Inves
ATC - ATC Venture Group
ATCO - American Technolo
ATCX -
ATEC - Alphatec Holdings, Inc.
ATEN - A10 Networks, Inc. Common Stock
ATER -
ATEST - Tick Pilot Test Control Common
ATEX -
ATGE -
ATH - ATHENE HOLDING LTD
ATHA -
ATHE -
ATHM - Autohome Inc. American Deposita
ATHN - athenahealth, Inc.
ATHX - Athersys, Inc.
ATI - Allegheny Technologies Incorpor
ATIF -
ATKR - Atkore International Group Inc.
ATLC - Atlanticus Holdings Corporation
ATLO - Ames National Corporation
ATMR - Atomera Incorporated
ATNF -
ATNFW -
ATNI - ATN International, Inc.
ATNM - Actinium Pharmaceuticals, Inc.
ATNX -
ATO - Atmos Energy Corporation
ATOM -
ATOS - Atossa Genetics Inc.
ATR - AptarGroup, Inc.
ATRA - Atara Biotherapeutics, Inc.
ATRC - AtriCure, Inc.
ATRI - Atrion Corporation
ATRO - Astronics Corporation
ATRS - Antares Pharma, Inc.
ATSG - Air Transport Services Group, I
ATSPT -
ATSPU -
ATSPW -
ATTO - Atento S.A. Ordinary Shares
ATUS -
ATVCU -
ATVI - Activision Blizzard, Inc
ATXI -
AU - AngloGold Ashanti Limited
AUB -
AUBAP -
AUBN - Auburn National Bancorporation,
AUD -
AUDC - AudioCodes Ltd. - Ordinary Shar
AUMN - Golden Minerals Company
AUPH - Aurinia Pharmaceuticals Inc
AURC -
AURCU -
AURCW -
AUS - NETS TRUST
AUTL -
AUTO -
AUUD -
AUUDW -
AUVI -
AUY - Yamana Gold Inc. Ordinary Share
AVA - Avista Corporation
AVAH -
AVAL - Grupo Aval Acciones y Valores S
AVAN - AVANT IMMUNOTHERA
AVAV - AeroVironment, Inc.
AVB - AvalonBay Communities, Inc.
AVCO -
AVCT - Avocent Corporati
AVCTW -
AVD - American Vanguard Corporation
AVDL -
AVEO - AVEO Pharmaceuticals, Inc.
AVGO - Broadcom Limited - Ordinary Sha
AVGOP -
AVGR - Avinger, Inc.
AVID - Avid Technology, Inc.
AVIR - Aviragen Therapeutics, Inc.
AVK - Advent Claymore Convertible Sec
AVLR -
AVNS -
AVNT -
AVNW - Aviat Networks, Inc.
AVO -
AVRO -
AVT - Avnet, Inc.
AVTR - Avatar Holdings I
AVXL - Anavex Life Sciences Corp.
AVY - Avery Dennison Corporation
AVYA -
AWF - Alliancebernstein Global High I
AWH - Allied World Assurance Company
AWI - Armstrong World Industries Inc
AWK - American Water Works Company, I
AWP - Alpine Global Premier Propertie
AWR - American States Water Company
AWRE - Aware, Inc.
AWX - Avalon Holdings Corporation Com
AX -
AXAS - Abraxas Petroleum Corporation
AXDX - Accelerate Diagnostics, Inc.
AXGN - AxoGen, Inc.
AXL - American Axle & Manufacturing H
AXLA -
AXNX -
AXON - Axovant Sciences Ltd. Common Sh
AXP - American Express Company
AXR - AMREP Corporation
AXS - Axis Capital Holdings Limited
AXSM - Axsome Therapeutics, Inc.
AXTA - Axalta Coating Systems Ltd. Com
AXTI - AXT Inc
AXU - Alexco Resource Corp (Canada)
AY -
AYI - Acuity Brands Inc (Holding Comp
AYLA -
AYRO -
AYTU -
AYX -
AZEK -
AZN - Astrazeneca PLC
AZO - AutoZone, Inc.
AZPN - Aspen Technology, Inc.
AZRE - Azure Power Global Limited Equi
AZRX - AzurRx BioPharma, Inc.
AZUL -
AZYO -
AZZ - AZZ Inc.

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