| Abbreviation | Definition |
|---|---|
| JHF | John Hancock Financial Services, Inc. |
| JHI | John Hancock Investment Trust |
| JHS | John Hancock Income Securities Trust |
| JHX | James Hardie Industries |
| JII | Johnston Industries, Inc. |
| JIT | Pentacon, Inc. |
| JJG | iPath Dow Jones AIG-Grains Total Return Fund |
| JLG | J L G Industries, Inc. |
| JLK | J L K Direct Distributors, Inc. |
| JLL | Jones Lang LaSalle, Inc. |
| JM | Johns- Manville Corporation |
| JNC | John Nuveen Company |
| JNJ | Johnson & Johnson |
| JNS | Chic by H I S, Inc. |
| JNY | Jones Apparel Group, Inc. |
| JOE | St. Joe Company |
| JOF | Japan O T C Equity Fund, Inc. |
| JOS | Jostens, Inc. |
| JP | Jefferson Pilot Corporation |
| JPM | J. P. Morgan & Company, Inc. (now J. P. Morgan Chase) |