| Abbreviation | Definition |
|---|---|
| APX | Apex Municipal Fund, Inc. |
| APZ | Applied Industrial Technologies, Inc. |
| AQM | Q M S, Inc. |
| AQQ | American Spectrum Realty |
| ARA | Aracruz Celulose, S. A. |
| ARB | American Realty Trust, Inc. |
| ARC | Atlantic Richfield Company |
| ARCPA | Atlantic Richfield Company Preferred A |
| ARCPC | Atlantic Richfield Company Preferred C |
| ARE | Alexandria Real Estate Equities, Inc. |
| ARG | AirGas, Inc. |
| ARH | Asia Pacific Resources, LTD. |
| ARI | Arden Realty, Inc. |
| ARJ | Arch Chemicals, Inc. |
| ARK | Senior High Income Partners of Florida, Inc. |
| ARNPA | American Re Capital A |
| ART | A C Nielsen Corporation |
| ARV | Arvin Industries, Inc. |
| ARW | Arrow Electronics, Inc. |
| ARX | Aeroflex, Inc. |