| Abbreviation | Definition |
|---|---|
| MMC | Marsh McLennan Companies, Inc. |
| MMF | Mam Funds |
| MMK | Ojsc Magni.s |
| MML | Medusa Mining |
| MMP | Marwyn Mgmt |
| MMPW | Marwyn Mgmt Wts |
| MMS | Maghreb Minerals |
| MNC | Metminco |
| MND | Mondi Ld |
| MNDI | Mondi |
| MNGS | Mang.bronze |
| MNKS | Monks Inv.tst. |
| MNL | Manchester&lon. |
| MNMD | Mando Mach.(s) |
| MNOD | Mmc Norilsk Adr |
| MNP | Martin Currie Global Port |
| MNR | Minerva |
| MNZS | Menzies(j) |
| MOG | Med Oil & Gas |
| MOGP | Mountfield |