| Abbreviation | Definition |
|---|---|
| PSS | Payless ShoeSource, Inc. |
| PSTPA | PSO Capital I |
| PT | Portugal Telecom, S. A. |
| PTA | Pennsylvania Treaty American Corporation |
| PTC | PAR Technology Corporation |
| PTG | Paragon Technologies, Inc. |
| PTM | Putnam Managed High Yield Trust |
| PTV | Pactiv Corporation |
| PTX | Pillowtex Corporation |
| PTZ | Pulitzer, Inc. |
| PUK | Prudential, P.L.C. (American Depositary Receipts) |
| PV | Pfeiffer Vacuum Technology, A. G. |
| PVA | PENN VA Corporation |
| PVD | Admin Fondos Pensiones, S. A. |
| PVH | Phillips van Heusen Corporation |
| PVI | Panavision, Inc. |
| PVN | Providian Financial Corporation |
| PVY | Providence Energy Corporation |
| PWG | Powergen, P. L. C. |
| PWJ | Paine Webber Group, Inc. |