| Abbreviation | Definition |
|---|---|
| CMAE | Cma Gl. Eur |
| CMAS | Cma Gl. Gbp |
| CMAU | Cma Gl. Usd |
| CMC | Coin Market Cap |
| CMCL | Caledonia Min |
| CMCP | Content Media |
| CMG | Croma Group, P.L.C. |
| CMH | Chamberlin |
| CMIA | Chimei In 144A |
| CMIP | Capital Management Investment, P.L.C. |
| CMIP | Capital Management & Investment, P.L.C. |
| CMIS | Chimei In Regs |
| CML | Cml Microsystem |
| CMS | Communisis |
| CMST | Comstar Regs |
| CMX | Catalyst Media |
| CNA | Centrica |
| CNC | Concur.tech |
| CNE | Cairn Energy |
| CNEL | China New |