| Abbreviation | Definition |
|---|---|
| ACD | Acencia Debt Strategies, LTD. Ordinary |
| ACHL | Asian Citrus |
| ACHP | Asia Ceramics |
| ACIA | Acer Inc Gdr 4A |
| ACIA | Acer Incorporated Great Britain Depositary Receipts 144A |
| ACID | Acer Gdr Reg S |
| ACID | Acer Incorporated, Great Britian Depositary Receipts (representing 5 shares common stock TWD10) |
| ACL | ACAL, P.L.C. Ordinary shares |
| ACM | Accumuli |
| ACM | Accumuli (de-listed) |
| ACM | Accumuli (de-listed) |
| ACMG | Acm Ship |
| ACMG | ACM Shipping (de-listed) |
| ACMG | ACM Shipping (de-listed) |
| ACR | Abbeycrest, P.L.C. |
| ACS | Ai Claims |
| ACTA | Acta |
| ACTA | Acta (de-listed) |
| ACTA | Acta (de-listed) |
| ACU | African Copper |