| Abbreviation | Definition |
|---|---|
| JPMPA | J. P. Morgan & Company, Inc. (now J. P. Morgan Chase) Preferred A |
| JPMPH | J. P. Morgan & Company, Inc. (now J. P. Morgan Chase) Preferred H |
| JPR | J P Realty, Inc. |
| JQH | John Q Hammons Hotels, L. P. |
| JR | Journal Response |
| JRC | Journal Register Company |
| JRL | Cincinnati Gas & Electric Company |
| JS | Jefferson Smurfit Group, P. L. C. |
| JSB | J S B Financial, Inc. |
| JWL | Whitehall Jewelers, Inc. |
| JWN | J. W. Nordstrom, Inc. |
| JYPP | Jersey Central Power and Light Company Preferred |
| JYPPZ | J C P & L Capital, Limited Partnership |
| K | Kellogg Company |
| K | Kresge (later K-mart, KMRT, formerly KM and KMRTQ) de-listed |
| KAB | Kaneb Services, Inc. |
| KABPA | Kaneb Services, Inc. Preferred A |
| KBA | Kleinwort Benson Aussie Fund |
| KBH | Kaufman & Broad Home Corporation |
| KBHPG | Kaufman & Broad Home Corporation Preferred G |