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.
AAIT - iShares MSCI All Country Asia I
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
AAPC - Atlantic Alliance Partnership C
AAPL - Apple Inc.
AAT - American Assets Trust, Inc.
AAU - Almaden Minerals, Ltd. Common S
AAV - Advantage Oil & Gas Ltd Ordina
AAVL - Avalanche Biotechnologies, Inc.
AAWW - Atlas Air Worldwide Holdings
AAXJ - iShares MSCI All Country Asia e
AB - AllianceBernstein Holding L.P.
ABAC - Aoxin Tianli Group, Inc.
ABAX - ABAXIS, Inc.
ABB - ABB Ltd
ABBV - AbbVie Inc.
ABC - AmerisourceBergen Corporation
ABCB - Ameris Bancorp
ABCD - Cambium Learning Group, Inc.
ABCO - The Advisory Board Company
ABCW - Anchor BanCorp Wisconsin Inc.
ABDC - Alcentra Capital Corp.
ABEV - Ambev S.A. American Depositary
ABG - Asbury Automotive Group Inc
ABGB - Abengoa, S.A.
ABIO - ARCA biopharma, Inc.
ABM - ABM Industries Incorporated
ABMD - ABIOMED, Inc.
ABR - Arbor Realty Trust
ABRN - Arbor Realty Trust 7.375% Senio
ABT - Abbott Laboratories
ABTL - AUTOWEB INC COM USD0.001
ABX - Barrick Gold Corporation
ABY - Atlantica Yield plc - Ordinary
ACAD - ACADIA Pharmaceuticals Inc.
ACAS - American Capital, Ltd.
ACAT - Arctic Cat Inc.
ACC - American Campus Communities Inc
ACCO - Acco Brands Corporation
ACE - Ace Limited Common Stock
ACET - Aceto Corporation
ACFC - Atlantic Coast Financial Corpor
ACFN - Acorn Energy, Inc.
ACG - Alliancebernstein Income Fund
ACGL - Arch Capital Group Ltd.
ACH - Aluminum Corporation of China L
ACHC - Acadia Healthcare Company, Inc.
ACHN - Achillion Pharmaceuticals, Inc.
ACI - Arch Coal, Inc. Common Stock
ACIW - ACI Worldwide, Inc.
ACLS - Axcelis Technologies, Inc.
ACM - AECOM
ACN - Accenture plc Class A Ordinary
ACNB - ACNB Corporation
ACOR - Acorda Therapeutics, Inc.
ACP - Avenue Income Credit Strategies
ACPW - Active Power, Inc.
ACRE - Ares Commercial Real Estate Cor
ACRX - AcelRx Pharmaceuticals, Inc.
ACSF - American Capital Senior Floatin
ACST - Acasti Pharma, Inc.
ACT - Actavis plc Ordinary Shares
ACTA - Actua Corporation
ACTG - Acacia Research Corporation
ACTS - Actions Semiconductor Co., Ltd.
ACTX - Global X Guru Activist ETF
ACU - Acme United Corporation.
ACUR - Acura Pharmaceuticals, Inc.
ACW - Accuride Corporation Common Sto
ACWI - iShares MSCI ACWI Index Fund
ACWX - iShares MSCI ACWI ex US Index F
ACXM - Acxiom Corporation
ACY - AeroCentury Corp.
ADAP - Adaptimmune Therapeutics plc -
ADAT - Authentidate Holding Corp.
ADBE - Adobe Systems Incorporated
ADC - Agree Realty Corporation
ADEP - Adept Technology, Inc.
ADGE - American DG Energy Inc. Common
ADHD - Alcobra Ltd. - Ordinary Shares
ADI - Analog Devices, Inc.
ADK - Adcare Health Systems Inc (GA)
ADM - Archer-Daniels-Midland Company
ADMA - ADMA Biologics Inc
ADMP - Adamis Pharmaceuticals Corporat
ADMS - Adamas Pharmaceuticals, Inc.
ADNC - Audience, Inc.
ADP - Automatic Data Processing, Inc.
ADPT - Adeptus Health Inc. Common Stoc
ADRA - BLDRS Asia 50 ADR Index Fund
ADRD - BLDRS Developed Markets 100 ADR
ADRE - BLDRS Emerging Markets 50 ADR I
ADRO - Aduro Biotech, Inc.
ADRU - BLDRS Europe 100 ADR Index Fund
ADS - Alliance Data Systems Corporati
ADSK - Autodesk, Inc.
ADT - ADT Corporation Common Stock
ADTN - ADTRAN, Inc.
ADUS - Addus HomeCare Corporation
ADVS - Advent Software, Inc.
ADX - Adams Diversified Equity Fund I
ADXS - Advaxis, Inc.
ADXSW - Advaxis, Inc. - Warrants
AE - Adams Resources & Energy, Inc.
AEB - AEGON N.V. Perp. Cap. Secs. Flo
AEC - Associated Estates Realty Corpo
AED - AEGON N.V. Perp. Cap. Securitie
AEE - Ameren Corporation
AEG - AEGON N.V.
AEGN - Aegion Corp
AEGR - Aegerion Pharmaceuticals, Inc.
AEH - AEGON N.V. Perp. Cap Secs.
AEHR - Aehr Test Systems
AEIS - Advanced Energy Industries, Inc
AEK - Aegon NV 8.00% Non-Cumulative S
AEL - American Equity Investment Life
AEM - Agnico Eagle Mines Limited
AEO - American Eagle Outfitters, Inc.
AEP - American Electric Power Company
AEPI - AEP Industries Inc.
AER - Aercap Holdings N.V. Ordinary S
AERI - Aerie Pharmaceuticals, Inc.
AES - The AES Corporation
AET - Aetna Inc.
AETI - American Electric Technologies,
AEY - ADDvantage Technologies Group,
AEZS - AEterna Zentaris Inc.
AF - Astoria Financial Corporation
AFA - American Financial Group, Inc.
AFAM - Almost Family Inc
AFB - AllianceBernstein National Muni
AFC - Allied Capital Corporation Alli
AFCB - Athens Bancshares Corporation
AFFX - Affymetrix, Inc.
AFG - American Financial Group, Inc.
AFGE - American Financial Group, Inc.
AFH - Atlas Financial Holdings, Inc.
AFL - AFLAC Incorporated
AFM - ** SEE
AFMD - Affimed N.V.
AFOP - Alliance Fiber Optic Products,
AFQ - ** SEE
AFSD - Aflac Incorporated 5.50% Subord
AFSI - AmTrust Financial Services, Inc
AFT - Apollo Senior Floating Rate Fun
AFW - American Financial Group, Inc.
AG - First Majestic Silver Corp. Ord
AGC - Advent Claymore Convertible Sec
AGCO - AGCO Corporation
AGD - Alpine Global Dynamic Dividend
AGEN - Agenus Inc.
AGI - Alamos Gold Inc. Class A
AGII - Argo Group International Holdin
AGIIL - Argo Group International Holdin
AGIO - Agios Pharmaceuticals, Inc.
AGM - Federal Agricultural Mortgage C
AGNC - AGNC Investment Corp.
AGNCB - AGNC Investment Corp. - Deposit
AGNCP - AGNC Investment Corp. - Cumulat
AGND - WisdomTree Barclays U.S. Aggreg
AGO - Assured Guaranty Ltd.
AGRO - Adecoagro S.A.
AGRX - Agile Therapeutics, Inc.
AGTC - Applied Genetic Technologies Co
AGU - Agrium Inc.
AGX - Argan, Inc.
AGYS - Agilysys, Inc.
AGZD - WisdomTree Barclays U.S. Aggreg
AHC - A.H. Belo Corporation
AHGP - Alliance Holdings GP, L.P. Rep
AHH - Armada Hoffler Properties, Inc.
AHL - Aspen Insurance Holdings Limite
AHP - Ashford Hospitality Prime, Inc.
AHPI - Allied Healthcare Products, Inc
AHS - AMN Healthcare Services Inc AMN
AHT - Ashford Hospitality Trust Inc
AI - Arlington Asset Investment Corp
AIB - Apollo Investment Corporation 6
AIC - Arlington Asset Investment Corp
AIF - Apollo Tactical Income Fund Inc
AIG - American International Group, I
AIII - ACRE Realty Investors, Inc. Com
AIMC - Altra Industrial Motion Corp.
AIN - Albany International Corporatio
AINC - Ashford Inc. Common Stock
AINV - Apollo Investment Corporation -
AIQ - Alliance HealthCare Services, I
AIR - AAR Corp.
AIRI - Air Industries Group
AIRM - Air Methods Corporation
AIRR - First Trust RBA American Indust
AIRT - Air T, Inc.
AIT - Applied Industrial Technologies
AIV - Apartment Investment and Manage
AIW - Arlington Asset Investment Corp
AIXG - Aixtron SE - American Depositar
AIY - Apollo Investment Corporation 6
AIZ - Assurant, Inc.
AJG - Arthur J. Gallagher & Co.
AJRD - Aerojet Rocketdyne Holdings, In
AJX - Great Ajax Corp.
AKAM - Akamai Technologies, Inc.
AKAO - Achaogen, Inc.
AKBA - Akebia Therapeutics, Inc.
AKER - Akers Biosciences Inc
AKG - Asanko Gold Inc.
AKP - Alliance California Municipal I
AKR - Acadia Realty Trust
AKRX - Akorn, Inc.
AKS - AK Steel Holding Corporation
AL - Air Lease Corporation Class A
ALB - Albemarle Corporation
ALCO - Alico, Inc.
ALDR - Alder BioPharmaceuticals, Inc.
ALDW - Alon USA Partners, LP Common Un
ALDX - Aldeyra Therapeutics, Inc.
ALE - Allete, Inc.
ALEX - Alexander & Baldwin, Inc.
ALG - Alamo Group, Inc.
ALGN - Align Technology, Inc.
ALGT - Allegiant Travel Company
ALIM - Alimera Sciences, Inc.
ALJ - Alon USA Energy, Inc. common st
ALK - Alaska Air Group, Inc.
ALKS - Alkermes plc - Ordinary Shares
ALL - Allstate Corporation (The)
ALLB - Alliance Bancorp, Inc. of Penns
ALLE - Allegion plc Ordinary Shares
ALLT - Allot Communications Ltd. - Ord
ALLY - Ally Financial Inc. Common Stoc
ALN - American Lorain Corporation Com
ALNY - Alnylam Pharmaceuticals, Inc.
ALOG - Analogic Corporation
ALOT - AstroNova, Inc.
ALQA - Alliqua BioMedical, Inc.
ALR - Alere Inc.
ALSK - Alaska Communications Systems G
ALSN - Allison Transmission Holdings,
ALTR - Altera Corporation
ALTV - Alteva
ALU - Alcatel-Lucent Common Stock
ALV - Autoliv, Inc.
ALX - Alexander's, Inc.
ALXA - Alexza Pharmaceuticals, Inc.
ALXN - Alexion Pharmaceuticals, Inc.
AM - Antero Midstream Partners LP Co
AMAG - AMAG Pharmaceuticals, Inc.
AMAT - Applied Materials, Inc.
AMBA - Ambarella, Inc. - Ordinary Shar
AMBC - Ambac Financial Group, Inc.
AMBCW - Ambac Financial Group, Inc. - W
AMBR - Amber Road, Inc.
AMC - AMC Entertainment Holdings, Inc
AMCC - Applied Micro Circuits Corporat
AMCF - Andatee China Marine Fuel Servi
AMCN - AirMedia Group Inc - American D
AMCO - Armco Metals Holdings, Inc. Com
AMCX - AMC Networks Inc.
AMD - Advanced Micro Devices, Inc.
AMDA - Amedica Corporation
AME - AMETEK, Inc.
AMED - Amedisys Inc
AMFW - AMEC Foster Wheeler plc America
AMG - Affiliated Managers Group, Inc.
AMGN - Amgen Inc.
AMH - American Homes 4 Rent of Benef
AMIC - American Independence Corp.
AMID - American Midstream Partners, LP
AMKR - Amkor Technology, Inc.
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.
AMPH - Amphastar Pharmaceuticals, Inc.
AMRB - American River Bankshares
AMRC - Ameresco, Inc. Class A
AMRI - Albany Molecular Research, Inc.
AMRK - A-Mark Precious Metals, Inc.
AMRN - Amarin Corporation plc - Americ
AMRS - Amyris, Inc.
AMS - American Shared Hospital Servic
AMSC - American Superconductor Corpora
AMSF - AMERISAFE, Inc.
AMSG - Amsurg Corp.
AMSGP - Amsurg Corp. - 5.250% Mandatory
AMSWA - American Software, Inc.
AMT - American Tower Corporation (REI
AMTD - TD Ameritrade Holding Corporati
AMTG - Apollo Residential Mortgage, In
AMTX - Aemetis, Inc
AMWD - American Woodmark Corporation
AMX - America Movil, S.A.B. de C.V. A
AMZG - American Eagle Energy Corporati
AMZN - Amazon.com, Inc.
AN - AutoNation, Inc.
ANAC - Anacor Pharmaceuticals, Inc.
ANAD - ANADIGICS, Inc.
ANAT - American National Insurance Com
ANCB - Anchor Bancorp
ANCI - American Caresource Holdings In
ANCX - Access National Corporation
ANDE - The Andersons, Inc.
ANET - Arista Networks, Inc.
ANF - Abercrombie & Fitch Company
ANFI - Amira Nature Foods Ltd Ordinary
ANGI - ANGI Homeservices Inc.
ANGO - AngioDynamics, Inc.
ANH - Anworth Mortgage Asset Corporat
ANIK - Anika Therapeutics Inc.
ANIP - ANI Pharmaceuticals, Inc.
ANN - ANN INC. Common Stock
ANR - Alpha Natural Resources, inc. c
ANSS - ANSYS, Inc.
ANTE -
ANTH - Anthera Pharmaceuticals, Inc.
ANTM - Anthem, Inc.
ANW - Aegean Marine Petroleum Network
ANY - Sphere 3D Corp.
AOD - Alpine Total Dynamic Dividend F
AOI - Alliance One International, Inc
AOL - AOL Inc. AOL Inc. Common Stock
AON - Aon plc Class A Ordinary Shares
AOS - A.O. Smith Corporation
AOSL - Alpha and Omega Semiconductor L
AP - Ampco-Pittsburgh Corporation
APA - Apache Corporation
APAM - Artisan Partners Asset Manageme
APB - Asia Pacific Fund, Inc. (The)
APC - Anadarko Petroleum Corporation
APD - Air Products and Chemicals, Inc
APDN - Applied DNA Sciences Inc
APDNW - Applied DNA Sciences Inc - Warr
APEI - American Public Education, Inc.
APF - Morgan Stanley Asia-Pacific Fun
APH - Amphenol Corporation
API - Advanced Photonix
APIC - Apigee Corporation
APO - Apollo Global Management, LLC C
APOG - Apogee Enterprises, Inc.
APOL - Apollo Education Group, Inc.
APP - American Apparel Inc Common Sto
APPS - Digital Turbine, Inc.
APPY - Venaxis, Inc.
APRI - Apricus Biosciences, Inc.
APT - Alpha Pro Tech, Ltd.
APTO - Aptose Biosciences, Inc.
APTS - Preferred Apartment Communities
APU - AmeriGas Partners, L.P.
APWC - Asia Pacific Wire & Cable Corpo
AQXP - Aquinox Pharmaceuticals, Inc.
AR - Antero Resources Corporation
ARAY - Accuray Incorporated
ARC - ARC Document Solutions, Inc.
ARCB - ArcBest Corporation
ARCC - Ares Capital Corporation - Clos
ARCI - Appliance Recycling Centers of
ARCO - Arcos Dorados Holdings Inc. Cla
ARCP - American Realty Capital Propert
ARCPP - American Realty Capital Propert
ARCW - ARC Group Worldwide, Inc.
ARCX - Arc Logistic Partners LP Common
ARDC - Ares Dynamic Credit Allocation
ARDM - Aradigm Corporation
ARDX - Ardelyx, Inc.
ARE - Alexandria Real Estate Equities
ARES - Ares Management L.P. Common Uni
AREX - Approach Resources Inc.
ARG - Airgas, Inc. Common Stock
ARGS - Argos Therapeutics, Inc.
ARI - Apollo Commercial Real Estate F
ARIA - ARIAD Pharmaceuticals, Inc.
ARII - American Railcar Industries, In
ARIS - ARI Network Services, Inc.
ARKR - Ark Restaurants Corp.
ARL - American Realty Investors, Inc.
ARLP - Alliance Resource Partners, L.P
ARMF - Ares Multi-Strategy Credit Fund
ARMH - ARM Holdings plc
ARMK - Aramark
ARNA - Arena Pharmaceuticals, Inc.
ARO - Aeropostale Inc Common Stock
AROW - Arrow Financial Corporation
ARP - Atlas Resource Partners, L.P. C
ARPI - American Residential Properties
ARQL - ArQule, Inc.
ARR - ARMOUR Residential REIT, Inc.
ARRS - ARRIS International plc - Ordin
ARRY - Array BioPharma Inc.
ARTNA - Artesian Resources Corporation
ARTW - Art's-Way Manufacturing Co., In
ARTX - Arotech Corporation
ARU - Ares Capital Corporation 5.875%
ARUN - Aruba Networks, Inc.
ARW - Arrow Electronics, Inc.
ARWAU - Arowana Inc. - Units
ARWR - Arrowhead Pharmaceuticals, Inc.
ARY - ** SEE
ASA - ASA Gold and Precious Metals L
ASB - Associated Banc-Corp Common Sto
ASBB - ASB Bancorp, Inc.
ASBI - Ameriana Bancorp
ASC - Ardmore Shipping Corporation Co
ASCMA - Ascent Capital Group, Inc. - Se
ASEI - American Science and Engineerin
ASFI - Asta Funding, Inc.
ASG - Liberty All-Star Growth Fund, I
ASGN - On Assignment, Inc.
ASH - Ashland Global Holdings Inc.
ASM - Avino Silver & Gold Mines Ltd.
ASMB - Assembly Biosciences, Inc.
ASMI - ASM International N.V.
ASML - ASML Holding N.V. - ADS represe
ASNA - Ascena Retail Group, Inc.
ASND - Ascendis Pharma A/S - American
ASPN - Aspen Aerogels, Inc.
ASPS - Altisource Portfolio Solutions
ASR - Grupo Aeroportuario del Sureste
ASRV - AmeriServ Financial Inc.
ASRVP - AmeriServ Financial Inc. - Amer
AST - Asterias Biotherapeutics, Inc.
ASTC - Astrotech Corporation
ASTE - Astec Industries, Inc.
ASTI - Ascent Solar Technologies, Inc.
ASUR - Asure Software Inc
ASX - Advanced Semiconductor Engineer
ASYS - Amtech Systems, Inc.
AT - Atlantic Power Corporation Ordi
ATAI - ATA Inc. - American Depositary
ATAX - America First Multifamily Inves
ATE - Advantest Corporation (Kabushik
ATEC - Alphatec Holdings, Inc.
ATEN - A10 Networks, Inc. Common Stock
ATHM - Autohome Inc. American Deposita
ATHN - athenahealth, Inc.
ATHX - Athersys, Inc.
ATI - Allegheny Technologies Incorpor
ATL - Atlatsa Resources Corporation
ATLC - Atlanticus Holdings Corporation
ATLO - Ames National Corporation
ATLS - Atlas Energy, L.P. Common Units
ATML - Atmel Corporation
ATNI - ATN International, Inc.
ATNM - Actinium Pharmaceuticals, Inc.
ATNY - API Technologies Corp.
ATO - Atmos Energy Corporation
ATOS - Atossa Genetics Inc.
ATR - AptarGroup, Inc.
ATRA - Atara Biotherapeutics, Inc.
ATRC - AtriCure, Inc.
ATRI - Atrion Corporation
ATRM - ATRM Holdings, Inc.
ATRO - Astronics Corporation
ATRS - Antares Pharma, Inc.
ATSG - Air Transport Services Group, I
ATTO - Atento S.A. Ordinary Shares
ATTU - Attunity Ltd. - Ordinary Shares
ATU - Actuant Corporation
ATV - Acorn International, Inc. ADS
ATVI - Activision Blizzard, Inc
ATW - Atwood Oceanics, Inc.
AU - AngloGold Ashanti Limited
AUBN - Auburn National Bancorporation,
AUDC - AudioCodes Ltd. - Ordinary Shar
AUMA - AR Capital Acquisition Corp.
AUMAU - AR Capital Acquisition Corp.
AUMAW - AR Capital Acquisition Corp.
AUMN - Golden Minerals Company
AUO - AU Optronics Corp American Depo
AUPH - Aurinia Pharmaceuticals Inc
AUQ - AuRico Gold Inc. Ordinary Share
AUY - Yamana Gold Inc. Ordinary Share
AV - Aviva plc Unsponsored ADR (UK)
AVA - Avista Corporation
AVAL - Grupo Aval Acciones y Valores S
AVAV - AeroVironment, Inc.
AVB - AvalonBay Communities, Inc.
AVD - American Vanguard Corporation
AVEO - AVEO Pharmaceuticals, Inc.
AVG - AVG Technologies N.V. Ordinary
AVGO - Broadcom Limited - Ordinary Sha
AVGR - Avinger, Inc.
AVH - Avianca Holdings S.A. American
AVHI - A V Homes, Inc.
AVID - Avid Technology, Inc.
AVK - Advent Claymore Convertible Sec
AVL - Avalon Rare Metals, Inc. Ordina
AVNU - Avenue Financial Holdings, Inc.
AVNW - Aviat Networks, Inc.
AVOL - Avolon Holdings Limited Common
AVP - Avon Products, Inc.
AVT - Avnet, Inc.
AVV - Aviva plc Subordinated Capital
AVX - AVX Corporation
AVY - Avery Dennison Corporation
AWAY - HomeAway, Inc.
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
AXAS - Abraxas Petroleum Corporation
AXDX - Accelerate Diagnostics, Inc.
AXE - Anixter International Inc.
AXGN - AxoGen, Inc.
AXJS - iShares MSCI All Country Asia e
AXL - American Axle & Manufacturing H
AXLL - Axiall Corporation
AXN - Aoxing Pharmaceutical Company,
AXP - American Express Company
AXPW - Axion Power International, Inc.
AXPWW - Axion Power International, Inc.
AXR - AMREP Corporation
AXS - Axis Capital Holdings Limited
AXTA - Axalta Coating Systems Ltd. Com
AXTI - AXT Inc
AXU - Alexco Resource Corp (Canada)
AXX - Alderon Iron Ore Corp. Ordinary
AYI - Acuity Brands Inc (Holding Comp
AYN - Alliance New York Municipal Inc
AYR - Aircastle Limited
AZN - Astrazeneca PLC
AZO - AutoZone, Inc.
AZPN - Aspen Technology, Inc.
AZZ - AZZ Inc.

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