| Abbreviation | Definition |
|---|---|
| AZD | Arizona Public Service Company |
| AZN | Astrazeneca, P. L. C. |
| AZO | Autozone, Inc. |
| AZR | Aztar Corporation |
| AZX | Azurix Corporation |
| B | Barnes Group, Inc. |
| BA | Bio Active |
| BA | Boeing Company |
| BAB | British Airways, P. L. C. |
| BABA | Alibaba Group Holding Ltd |
| BAC | BankAmerica Corporation |
| BACPY | BankAmerica Capital IV |
| BACPZ | BankAmerica Capital I |
| BAP | Credicorp, LTD. |
| BAS | Bass, P. L. C. |
| BAT | Blackrock Advantage Term Trust |
| BAU | Bacou U S A, Inc. |
| BAX | Baxter International, Inc. |
| BB | Baby Bird |
| BB | Banco Bilbao Vizcaya Banco, BHIF |