| | MP | MP Materials Corp. | NYSE |
| | MPAC.L | Mpac Group Plc | LSE |
| | XDSL | Mphase Technologies Inc. | PINK |
| | MPHASIS.IN | MphasiS Ltd. | NSE |
| | MPLX | MPLX LP | NYSE |
| | MPSLTD.IN | MPS Ltd. | NSE |
| | MPXOF | MPX International Corporation | PINK |
| | COOP | Mr. Cooper Group Inc. | NASD |
| | MRC | MRC Global Inc. | NYSE |
| | MRF.IN | MRF Ltd. | NSE |
| | MSADY | MS&AD Insurance Group Holdings, Inc. | PINK |
| | MSM | Msc Industrial Direct Co. | NYSE |
| | $MSEAFE | MSCI EAFE Index (EOD) | INDX |
| | $MSEMF | MSCI Emerging Markets Free Index (EOD) | INDX |
| | $RMZ | MSCI US REIT Index | INDX |
| | $MSWORLD | MSCI World (ex USA) Index (EOD) | INDX |
| | MSCI | MSCI, Inc. | NYSE |
| | MSGN | MSG Networks Inc. | NYSE |
| | MFAPX | MSIF International Advantage Portfolio | USMF |
| | MIOPX | MSIF International Opportunity Fund | USMF |
| | MTIPX | MSIF Select Global Infrastructure Fund | USMF |
| | MIGAX | MSIF Trust Inv. Grade Fixed-Income Fund | USMF |
| | MLDAX | MSIFT Short Duration Income Portfolio | USMF |
| | MSPL.IN | MSP Steel & Power Ltd | NSE |
| | MSTCLTD.IN | MSTC Ltd | NSE |
| | MTEDUCARE.IN | MT Educare Ltd. | NSE |
| | MTBC | MTBC, Inc. | NASD |
| | MTNOY | MTN Group Ltd. | PINK |
| | MTSC | MTS Systems Corp. | NASD |
| | MTY.TO | MTY Food Group Inc. | TSE |
| | MUDSU | Mudrick Capital Acquisition Corp. | NASD |
| | MLI | Mueller Industries Inc. | NYSE |
| | MWA | Mueller Water Products Inc. | NYSE |
| | MUHLX | Muhlenkamp Fund | USMF |
| | MUKANDENGG.IN | Mukand Engineers Ltd | NSE |
| | MUKANDLTD.IN | Mukand Ltd. | NSE |
| | MUKTAARTS.IN | Mukta Arts Limited | NSE |
| | MUL.L | Mulberry Group PLC | LSE |
| | MTL.TO | Mullen Group Ltd. | TSE |
| | MCX.IN | Multi Commodity Exchange of India Ltd. | NSE |
| | MCET | Multicell Technologies Inc. | PINK |
| | MPLN | MultiPlan Corp. | NYSE |
| | MURGY | Munchener Ruckversicherungs | PINK |
| | MUCAX | Munder Bond Fund | USMF |
| | MMERX | Munder Funds Inc Micro Cap Equity Fund | USMF |
| | MUXAX | Munder Funds Trust Munder Indexed Stock Fund A | USMF |
| | MUXYX | Munder Index 500 | USMF |
| | MISAX | Munder International Small Cap Fund | USMF |
| | MMECX | Munder Micro Cap Equity | USMF |
| | MMEAX | Munder Micro Cap Equity - Class A | USMF |
| | MMEYX | Munder Micro Cap Equity Class Y | USMF |
| | MMSRX | Munder Mid-Cap Core Growth Fund | USMF |
| | MGOAX | Munder MidCap Select | USMF |
| | MGOTX | Munder MidCap Select Fund | USMF |
| | MGOYX | Munder MidCap Select Fund | USMF |
| | MNNCX | Munder NetNet - Class C | USMF |
| | MNNYX | Munder NetNet Fund | USMF |
| | MNNAX | Munder NetNet Fund - Class A | USMF |
| | VSVIX | Munder Veracity Small Cap Value Fund | USMF |
| | MUNMF | Mundoro Capital Inc. | PINK |
| | MUN.V | Mundoro Mining Inc. | TSXV |
| | XMCAX | Muniyield California Insured Fund | USMF |
| | MUNJALAU.IN | Munjal Auto Industries Ltd. | NSE |
| | MUNJALSHOW.IN | Munjal Showa Ltd. | NSE |
| | MRAAY | Murata Manufacturing Co. Ltd. | PINK |
| | MUR | Murphy Oil Corp. Holding Co. | NYSE |
| | MUSA | Murphy USA Inc. | NYSE |
| | MUT.L | Murray Income Trust | LSE |
| | MYI.L | Murray International Trust | LSE |
| | MURUDCERA.IN | Murudeshwar Ceramics Ltd. | NSE |
| | GRIL | Muscle Maker Inc. | NASD |
| | MSLP | MusclePharm Corp. | PINK |
| | RADIOCITY.IN | Music Broadcast Ltd | NSE |
| | MBIO | Mustang Bio, Inc. | NASD |
| | MGRO.CA | MustGrow Biologics Corp. | CSE |
| | MUTHOOTCAP.IN | Muthoot Capital Services Ltd | NSE |
| | MUTHOOTFIN.IN | Muthoot Finance Ltd. | NSE |
| | TEMEX | Mutual Beacon | USMF |
| | BEGRX | Mutual Beacon Fund Cl Z (Series of Franklin Mutual Ser Fund Inc.) | USMF |
| | TEDSX | Mutual Discovery C Fund | USMF |
| | TEDRX | Mutual Discovery Fund | USMF |
| | MDISX | Mutual Discovery Fund Cl Z (Series of Franklin Mutual Ser Fund Inc.) | USMF |
| | MEURX | Mutual European Fund Cl Z (Series of Franklin Mutual Ser Fund Inc.) | USMF |
| | TEURX | Mutual European Fund, - Class C | USMF |
| | TMFSX | Mutual Financial Services Fund - Class C | USMF |
| | TEFAX | Mutual Financial Services Fund, Class Z | USMF |
| | TEMQX | Mutual Qualified | USMF |
| | MQIFX | Mutual Qualified Fund Cl Z (Series of Franklin Mutual Ser Fund Inc.) | USMF |
| | TESRX | Mutual Shares | USMF |
| | MUTHX | Mutual Shares Corportion Cl Z (Series of Franklin Mutual Ser Fund Inc.) | USMF |
| | MHFAX | MutualHedge Frontier Legends A Fund | USMF |
| | VICEX | MUTUALS.com Vice Fund | USMF |
| | MVO | MV Oil Trust | NYSE |
| | MVBF | MVB Financial Corp. | NASD |
| | MYSZ | My Size, Inc. | NASD |
| | MYCOF | Mydecine Innovations Group Inc | PINK |
| | MYCO.CA | Mydecine Innovations Group Inc. | CSE |
| | MYDX | MyDx Inc. | PINK |
| | MYE | Myers Industries, Inc. | NYSE |
| | MYM.CA | MYM Nutraceuticals Inc. | CSE |
| | MYMMF | MYM Nutraceuticals Inc. | PINK |
| | MYMX | Mymetics Corp. | PINK |
| | MYO | Myomo, Inc. | AMEX |
| | MYOV | Myovant Sciences Ltd. | NYSE |
| | MYRG | MYR Group, Inc. | NASD |
| | MYRX | Myrexis, Inc. | PINK |
| | MYGN | Myriad Genetics, Inc. | NASD |
| | MYTE | MYT Netherlands Parent B.V. | NYSE |
| | $$MZM | MZM Money Supply | INDX |