| Abbreviation | Definition |
|---|---|
| AVN | Avanti Comm. |
| AVON | Avon Rbr. |
| AVR | Avarae |
| AVS | Avesco Group |
| AVT | BNP Paribas Agrinvest Preferred Shares |
| AVV | Aveva Group |
| AVV | Aveva Grp |
| AXB | Axis Bank Regs |
| AXBA | Axis Bank 144A |
| AXBB | Axis Bank S |
| AXBC | Axis Bank A |
| AXM | Alexander Min |
| AXN | Alexon Group |
| AXN | Alexon Grp. |
| AXS | Accsys Tech |
| AXS | Accsys Technologies P.L.C. Ordinary |
| AYM | Anglesey Mining |
| AZEM | Az Electro. |
| AZN | Astrazeneca |
| BA. | Bae Sys. |