| Abbreviation | Definition |
|---|---|
| AMI | African Min. |
| AMKD | Amtek Gdr |
| AML | Amlin |
| AMO | Amino Tech |
| AMP | Amphion |
| AMR | Armour Group |
| AMR | Armour Grp |
| AMS | Advanced Med. |
| AMS | Advanced Medical Solutions Group, P.L.C. Ordinary shares |
| AMV | Amtel |
| AN. | Alternative Net |
| ANA | All Nippon Air. |
| ANAA | All Nip Air.a |
| ANCR | Animalcare Group |
| ANCR | Animalcare Grp |
| AND | Andor Tech |
| ANGM | Angel Mining |
| ANR | Altona |
| ANTO | Antofagasta |
| ANTP | Ant |