| | AW/UN.TO | A&W Revenue Royalties Income Fund | TSE |
| | AMRK | A-Mark Precious Metals, Inc. | NASD |
| | AHC | A. H. Belo Corp. | NYSE |
| | AIS.V | A.I.S. Resources Ltd. | TSXV |
| | AISSF | A.I.S. Resources Ltd. | PINK |
| | ATEN | A10 Networks, Inc. | NYSE |
| | A2ZINFRA.IN | A2Z Infra Engineering Ltd. | NSE |
| | AA.L | AA | LSE |
| | AACH | AAC Holdings, Inc. | PINK |
| | AACAY | AAC Technologies Holdings, Inc. | PINK |
| | !AAIIBEAR | AAII Bears | INDX |
| | !AAIIBULL | AAII Bulls | INDX |
| | AAAGX | AAL Aggressive Growth | USMF |
| | AABFX | AAL Balanced Fund A | USMF |
| | AAINX | AAL Bond Fund (The) | USMF |
| | AALGX | AAL Capital Growth Fund (The) | USMF |
| | AAUTX | AAL Equity Income Fund | USMF |
| | AAHYX | AAL High Yield Bond Fund - A | USMF |
| | AASCX | AAL Mid Cap Stock Fund | USMF |
| | AAMBX | AAL Municipal Bond Fund (The) | USMF |
| | AASMX | AAL Small Cap Stock Fund (The) | USMF |
| | SPDV | AAM S&P 500 High Dividend Value ETF | AMEX |
| | DMDV | AAM S&P Developed Markets High Dividend Value ETF | AMEX |
| | EEMD | AAM S&P Emerging Markets High Dividend Value ETF | AMEX |
| | AFNAX | AAM/Bahl & Gaynor Income Growth | USMF |
| | AAON | AAON, Inc. | NASD |
| | AIR | AAR Corp. | NYSE |
| | AAN | Aaron | NYSE |
| | AARTIDRUGS.IN | Aarti Drugs Ltd. | NSE |
| | AARTIIND.IN | Aarti Industries Ltd. | NSE |
| | AAVAS.IN | AAVAS Financiers Limited | NSE |
| | ABDP.L | AB Dynamics Plc | LSE |
| | ACGYX | AB Income Fund | USMF |
| | ATEYX | AB Sustainable Global Thematic Advisor | USMF |
| | ALTFX | AB Sustainable Global Thematic Fund | USMF |
| | ABAHF | Abacus Health Products, Inc. | PINK |
| | AME.V | Abacus Mining & Exploration, Corp. | TSXV |
| | ABAN.IN | Aban Offshore Ltd. | NSE |
| | ATTBF | Abattis Bioceuticals Corp. | PINK |
| | ABB.IN | ABB India Ltd. | NSE |
| | ABB | ABB Ltd. | NYSE |
| | ABBOTINDIA.IN | Abbott India Ltd. | NSE |
| | ABT | Abbott Laboratories | NYSE |
| | ABBV | AbbVie Inc. | NYSE |
| | ABCB | ABC Bancorp | NASD |
| | ABC.L | Abcam | LSE |
| | ABCE | ABCO Energy Inc | PINK |
| | ABMBF | Abcourt Mines Inc. | PINK |
| | ABI.V | Abcourt Mines, Inc. | TSXV |
| | ABN.V | Aben Resources Ltd | TSXV |
| | ABNAF | Aben Resources Ltd. | PINK |
| | ABEO | Abeona Therapeutics Inc. | NASD |
| | ANF | Abercrombie & Fitch Co. | NYSE |
| | FAX | Aberdeen Asia-Pacific Income Fund Inc. | AMEX |
| | FAP.TO | Aberdeen Asia-Pacific Income Invest. Co. Ltd | TSE |
| | XFAPX | Aberdeen Asia-Pacific Prime Income | USMF |
| | AAIF.L | Aberdeen Asian Income Fund Ltd | LSE |
| | AAS.L | Aberdeen Asian Sml. Co. Investment Trust | LSE |
| | XIAFX | Aberdeen Australia Equity | USMF |
| | ADIG.L | Aberdeen Diversified Income And Growth Trust Plc | LSE |
| | AEF | Aberdeen Emerging Markets Equity Income Fund, Inc. | AMEX |
| | ABEMX | Aberdeen Emerging Markets Fund | USMF |
| | AGD | Aberdeen Global Dynamic Dividend Fund | NYSE |
| | XFCOX | Aberdeen Global Fund | USMF |
| | BJBHX | Aberdeen Global High Income A | USMF |
| | FCO | Aberdeen Global Income Fund Inc. | AMEX |
| | AWP | Aberdeen Global Premier Properties Fund | NYSE |
| | AAB.TO | Aberdeen International Inc | TSE |
| | AABVF | Aberdeen International Inc. | PINK |
| | ALAI.L | Aberdeen Latin American Income Fund Ltd | LSE |
| | ABD.L | Aberdeen New Dawn Investment Trust | LSE |
| | ANII.L | Aberdeen New India Investment Trust Plc | LSE |
| | ANW.L | Aberdeen New Thai Investment Trust | LSE |
| | ASCI.L | Aberdeen Smaller Companies High Income Trust | LSE |
| | ASEI.L | Aberdeen Standard Equity Income Trust plc | LSE |
| | ASLI.L | Aberdeen Standard European Logistics Income Plc | LSE |
| | SGOL | Aberdeen Standard Physical Swiss Gold Shares ETF | NYSE |
| | AOD | Aberdeen Total Dynamic Dividend Fund | NYSE |
| | ASL.L | Aberforth Smaller Companies Trust | LSE |
| | ASIT.L | Aberforth Split Level Inc.ome Trust Plc | LSE |
| | ABIL | Ability Inc | NASD |
| | ABMD | ABIOMED, Inc. | NASD |
| | RZZ.V | Abitibi Royalties Inc. | TSXV |
| | ABM | ABM Industries, Inc. | NYSE |
| | ABMIX | ABN AMRO Funds Mid Cap Fund | USMF |
| | CHTTX | ABN AMRO Mid Cap N | USMF |
| | MCGIX | ABN AMRO/Montag & Caldwell Growth Fund | USMF |
| | ARSVX | ABN AMRO/River Road Small Cap Value | USMF |
| | ATASX | ABN AMRO/TAMRO Small Cap | USMF |
| | ATSIX | ABN AMRO/TAMRO Small Cap Fund | USMF |
| | ABRA.V | AbraPlata Resource Corp. | TSXV |
| | AXAS | Abraxas Petroleum Corp. | NASD |
| | ABT.TO | Absolute Software Corp. | TSE |
| | ACVKX | AC Alternatives Market Neutral Value Fund | USMF |
| | ACVVX | AC Alternatives Market Neutral Value Fund | USMF |
| | ACIU | AC Immune SA | NASD |
| | ACIA | Acacia Communications, Inc. | NASD |
| | ACTG | Acacia Technologies Group | NASD |
| | ACHC | Acadia Healthcare Company, Inc. | NASD |
| | ACAD | Acadia Pharmaceuticals Inc. | NASD |
| | AKR | Acadia Realty Trust | NYSE |
| | ADN.TO | Acadian Timber Corp. | TSE |
| | AEF.TO | Acasta Enterprises Inc. | TSE |
| | ACST | Acasti Pharma Inc. | NASD |
| | ACST.V | Acasti Pharma Inc. | TSXV |
| | ACC.IN | ACC Ltd. | NSE |
| | CNFN | Accelerize Inc. | PINK |
| | XLRN | Acceleron Pharma Inc. | NASD |
| | AXE.V | Acceleware Ltd. | TSXV |
| | AXDX | Accelr8 Technology | NASD |
| | ACCELYA.IN | Accelya Kale Solutions Ltd. | NSE |
| | ACN | Accenture Ltd. | NYSE |
| | AFBIX | Access Flex Bear High Yield | USMF |
| | AFBSX | Access Flex Bear High Yield | USMF |
| | FYAIX | Access Flex High Yield | USMF |
| | FYASX | Access Flex High Yield | USMF |
| | AWWC | Access Worldwide Communications Inc | PINK |
| | ACSO.L | Accesso Technology Group PLC | LSE |
| | ACCO | Acco Brands Corp. | NYSE |
| | ACD.TO | Accord Financial Corp. | TSE |
| | AXS.L | Accsys Technologies | LSE |
| | ARAY | Accuray Inc. | NASD |
| | ACRX | AcelRx Pharmaceuticals Inc. | NASD |
| | ACER | Acer Therapeutics, Inc. | NASD |
| | ASP.TO | Acerus Pharmaceuticals Corp. | TSE |
| | AKAOQ | Achaogen, Inc. | PINK |
| | ACHV | Achieve Life Sciences, Inc. | NASD |
| | ACVIX | Achievement Intermediate Term Bond Fund Trust | USMF |
| | ACHN | Achillion Pharmaceuticals Inc. | NASD |
| | ACIW | ACI Worldwide Inc. | NASD |
| | AKR.V | Ackroo Inc. | TSXV |
| | ACRS | Aclaris Therapeutics, Inc. | NASD |
| | ADOIX | ACM Dynamic Opportunity Fund | USMF |
| | ACMR | ACM Research, Inc. | NASD |
| | ACU | Acme United Corp. | AMEX |
| | ACNB | Acnb | NASD |
| | ACOR | Acorda Therapeutics Inc. | NASD |
| | ACFN | Acorn Energy, Inc. | PINK |
| | ACFFX | Acorn Foreign Forty | USMF |
| | ACRNX | Acorn Fund | USMF |
| | AIF.L | Acorn Income Fund | LSE |
| | ACINX | Acorn International | USMF |
| | ATV | Acorn International | NYSE |
| | ACTWX | Acorn Twenty | USMF |
| | AUSAX | Acorn USA | USMF |
| | AQSP | Acquired Sales Corp | PINK |
| | ACRGF | Acreage Holdings, Inc. | PINK |
| | ACU.V | ACT Aurora Control Technologies Corp. | TSXV |
| | ACTTU | Act II Global Acquisition Corp. | NASD |
| | ATNM | Actinium Pharmaceuticals, Inc. | AMEX |
| | ACE.IN | Action Construction Equipment Ltd. | NSE |
| | AMWYX | Activa Value Fund | USMF |
| | ACSAY | Actividades de Construccion y Servicios, SA | PINK |
| | ATVI | Activision Blizzard Inc. | NASD |
| | EPAC | Actuant Corp. | NYSE |
| | AYI | Acuity Brands, Inc. | NYSE |
| | AT.TO | AcuityAds Holdings Inc. | TSE |
| | ACUR | Acura Pharmaceuticals, Inc. | PINK |
| | GOLF | Acushnet Holdings Corp. | NYSE |
| | ACUS | Acusphere Inc | PINK |
| | ADAD | Adaiah Distribution, Inc. | PINK |
| | ADMS | Adamas Pharmaceuticals, Inc. | NASD |
| | ADZ.V | Adamera Minerals Corp. | TSXV |
| | ADMP | Adamis Pharmaceuticals Corp. | NASD |
| | ADX | Adams Diversified Equity Fund Inc | NYSE |
| | ASCGX | Adams Harkness Small Cap Growth Fund | USMF |
| | PEO | Adams Natural Resources Fund, Inc. | NYSE |
| | AE | Adams Resources & Energy, Inc. | AMEX |
| | ADANIENT.IN | Adani Enterprises Ltd. | NSE |
| | ADANIGAS.IN | Adani Gas Limited | NSE |
| | ADANIGREEN.IN | Adani Green Energy Limited | NSE |
| | ADANIPORTS.IN | Adani Ports and Special Economic Zone Ltd. | NSE |
| | ADANIPOWER.IN | Adani Power Ltd. | NSE |
| | ADANITRANS.IN | Adani Transmission Ltd. | NSE |
| | ADAP | Adaptimmune Therapeutics plc | NASD |
| | ADPT | Adaptive Biotechnologies Corp. | NASD |
| | ADUS | Addus HomeCare Corp. | NASD |
| | AEY | Addvantage Technologies Group | NASD |
| | AGRO | Adecoagro SA | NYSE |
| | ADT.L | AdEPT Telecom PLC | LSE |
| | AD4.L | Adept4 PLC | LSE |
| | IOTS | Adesto Technologies Corp. | NASD |
| | ADE.V | Adex Mining Inc. | TSXV |
| | ADFFOODS.IN | ADF Foods Ltd. | NSE |
| | DRX.TO | ADF Group, Inc. | TSE |
| | ATRX | Adhera Therapeutics Inc. | PINK |
| | ADHUNIK.IN | Adhunik Metaliks Ltd. | NSE |
| | ADIA | Adia Nutrition Inc | PINK |
| | ADIL | Adial Pharmaceuticals, Inc. | NASD |
| | ADDYY | Adidas AG | PINK |
| | ADNT | Adient plc | NYSE |
| | ADKSX | Adirondack Small Cap Fund | USMF |
| | ABCAPITAL.IN | Aditya Birla Capital Ltd. | NSE |
| | ABFRL.IN | Aditya Birla Fashion and Retail Ltd. | NSE |
| | BIRLAMONEY.IN | Aditya Birla Money Ltd. | NSE |
| | ADLABS.IN | Adlabs Entertainment Limited | NSE |
| | ADME.L | ADM Energy plc. | LSE |
| | ADMT | ADM Tronics UnLtd. | PINK |
| | ADMA | ADMA Biologics, Inc. | NASD |
| | ADM.L | Admiral Group | LSE |
| | ADBE | Adobe Systems, Inc. | NASD |
| | ADOM | ADOMANI, Inc. | PINK |
| | ADORWELD.IN | Ador Welding Ltd. | NSE |
| | ADT | ADT Inc | NYSE |
| | ATGE | Adtalem Global Education, Inc. | NYSE |
| | ADTN | ADTRAN, Inc. | NASD |
| | ADRO | Aduro Biotech, Inc. | NASD |
| | AAP | Advance Auto Parts Inc. | NYSE |
| | AEMC.L | Advance Developing Markets Fund Ltd. | LSE |
| | AFMC.L | Advance Frontier Markets Fund Ltd | LSE |
| | AAX.V | Advance Gold Corp. | TSXV |
| | ACRT | Advanced Credit Technologies Inc. | PINK |
| | ADSW | Advanced Disposal Services, Inc. | NYSE |
| | WMS | Advanced Drainage Systems, Inc. | NYSE |
| | ADES | Advanced Emissions Solutions, Inc. | NASD |
| | AEIS | Advanced Energy Industries, Inc. | NASD |
| | ADVENZYMES.IN | Advanced Enzyme Technologies Ltd. | NSE |
| | AVIFY | Advanced Info Service Public Company Ltd. | PINK |
| | AMS.L | Advanced Medical Solutions Group | LSE |
| | AMD | Advanced Micro Devices, Inc. | NASD |
| | AVO.L | Advanced Oncotherapy | LSE |
| | AOXY | Advanced Oxygen Technologies Inc | PINK |
| | APC.V | Advanced Proteome Therapeutics Corp. | TSXV |
| | ASX | Advanced Semiconductor | NYSE |
| | AVOI | Advanced Voice Recognition Systems, Inc. | PINK |
| | ASIX | AdvanSix, Inc. | NYSE |
| | ASNB | AdvanSource Biomaterials Corp. | PINK |
| | AAL.V | Advantage Lithium Corp. | TSXV |
| | AVLIF | Advantage Lithium Corp. | PINK |
| | AAVVF | Advantage Oil & Gas Ltd. | PINK |
| | AAV.TO | Advantage Oil Gas Ltd. | TSE |
| | AOC.CA | Advantagewon Oil Corp. | CSE |
| | ADGO | Advantego Corp. | PINK |
| | ATEYY | Advantest Corp. | PINK |
| | ADVT | Advantis Corp | PINK |
| | ADVZ.TO | ADVANZ PHARMA Corp. | TSE |
| | CXRXF | Advanz Pharma Corp. | PINK |
| | ADXS | Advaxis Inc. | NASD |
| | ADVV | Adveco Group Inc | PINK |
| | AVK | Advent Claymore Convertible Securities and Income Fund | NYSE |
| | AWI.V | Advent Wireless Inc. | TSXV |
| | ADZN.V | Adventus Zinc Corp. | TSXV |
| | ADVM | Adverum Biotechnologies, Inc. | NASD |
| | CLSAX | AdvisorOne Amerigo Fund | USMF |
| | DWSH | AdvisorShares Dorsey Wright Short ETF | NASD |
| | DBLV | AdvisorShares DoubleLine Value Equity ETF | AMEX |
| | CWS | AdvisorShares Focused Equity ETF | AMEX |
| | FWDB | AdvisorShares Madrona Global Bond ETF | NYSE |
| | MINC | AdvisorShares Newfleet Multi-Sector Income ETF | AMEX |
| | FLRT | AdvisorShares Pacific Asset Enhanced Floating Rate ETF | AMEX |
| | HYLD | AdvisorShares Peritus High Yield ETF | NYSE |
| | YOLO | AdvisorShares Pure Cannabis ETF | AMEX |
| | HDGE | AdvisorShares Ranger Equity Bear ETF | NYSE |
| | HOLD | AdvisorShares Sage Core Reserves ETF | AMEX |
| | VEGA | AdvisorShares STAR Global Buy-Write ETF | AMEX |
| | ACT | AdvisorShares Vice ETF | NASD |
| | AADR | AdvisorShares WCM/BNY Mellon Focused Growth ADR ETF | NYSE |
| | INFIX | Advisory Research MLP & Energy Income Fund | USMF |
| | MLPPX | Advisory Research MLP & Energy Infrastructure Fund | USMF |
| | ADYX | Adynxx, Inc. | PINK |
| | ACM | Aecom Technology Corp. | NYSE |
| | ARE.TO | Aecon Group Inc. | TSE |
| | AEGN | Aegion Corp. | NASD |
| | AEGISCHEM.IN | Aegis Logistics Ltd. | NSE |
| | AVALX | Aegis Value Fund | USMF |
| | AGLE | Aeglea BioTherapeutics, Inc. | NASD |
| | AEB | Aegon NV | NYSE |
| | AEG | Aegon NV | NYSE |
| | AEH | Aegon NV | NYSE |
| | AEHR | Aehr Test Systems | NASD |
| | AMTX | Aemetis, Inc. | NASD |
| | AGHC | Aeon Global Health Corp. | PINK |
| | AEO.L | Aeorema Communications | LSE |
| | AQS.V | Aequus Pharmaceuticals Inc. | TSXV |
| | AER | AerCap Holdings NV | NYSE |
| | AERI | Aerie Pharmaceuticals, Inc. | NASD |
| | AERS | Aerius | PINK |
| | AKOM | Aerkomm Inc | PINK |
| | AERO | Aero Grow International, Inc. | PINK |
| | ACY | AeroCentury Corp. | AMEX |
| | AJRD | Aerojet Rocketdyne Holdings, Inc. | NYSE |
| | AVAV | AeroVironment Inc. | NASD |
| | ARPO | Aerpio Pharmaceuticals, Inc. | NASD |
| | AES | AES Corp. | NYSE |
| | AEZS | AEterna Zentaris Inc. | NASD |
| | AEZS.TO | Aeterna Zentaris Inc. | TSE |
| | AEMD | Aethion Medical | NASD |
| | AET.V | Aethon Minerals Corp. | TSXV |
| | IDMOX | Aetna Series Fund Inc ING Direct Index Plus Mid Cap | USMF |
| | AESGX | Aetna Small Company Fund Class I | USMF |
| | GNMX | Aevi Genomic Medicine, Inc. | NASD |
| | AEWU.L | AEW UK REIT Plc | LSE |
| | AEX.V | AEX Gold, Inc. | TSXV |
| | AFC.L | AFC Energy | LSE |
| | AMG | Affiliated Managers Group Inc. | NYSE |
| | MGR | Affiliated Managers Group Inc. | NYSE |
| | AFMD | Affimed Therapeutics BV | NASD |
| | AFYG | Affinity Gold Corp. | PINK |
| | AFI.CA | Affinor Growers Inc. | CSE |
| | RSSFF | Affinor Resources | PINK |
| | AFFY | Affymax Inc. | PINK |
| | AFRB.L | AFI Development | LSE |
| | AFL | Aflac, Inc. | NYSE |
| | AFE.V | Africa Energy Corp. | TSXV |
| | AOI.TO | Africa Oil Corp. | TSE |
| | AOIFF | Africa Oil Corp. | PINK |
| | AGG.V | African Gold Group Inc. | TSXV |
| | FLMZF | AFTERMATH SILVER LTD | PINK |
| | AAG.V | Aftermath Silver Ltd. | TSXV |
| | AFYA | Afya Ltd. | NASD |