| Abbreviation | Definition |
|---|---|
| DD | E. I. DuPont de Nemours & Company |
| DDC | Detroit Diesel Corporation |
| DDF | Delaware Group Dividend & Income Fund |
| DDPB | E. I. DuPont de Nemours & Company Preferred B |
| DDRPA | Developers Diversified Realty Preferred A |
| DDRPB | Developers Diversified Realty Preferred B |
| DDRPC | Developers Diversified Realty Preferred C |
| DDRPD | Developers Diversified Realty Preferred D |
| DDS | Dillards, Inc. |
| DDT | Dillards, Inc., Capital Trust I |
| DE | Deere & Company |
| DEL | Deltic Timber Corporation |
| DEO | Diageo, P. L. C. |
| DER | De Rigo, S. P. A. |
| DES | Desc S. A. de C. V. |
| DET | Decs Trust |
| DEX | Dexter Corporation |
| DF | Dean Foods Company |
| DFC | Delta Financial Corporation |
| DFG | Delphi Financial Group, Inc. |