| Abbreviation | Definition |
|---|---|
| MID | Standard & Poors MidCap 400 Index |
| MIG | Meadowbrook Insurance Group, Inc. |
| MIJ | Merrill Lynch & Company, Inc. |
| MIK | Michaels Stores, Inc. |
| MIL | Millipore Corporation |
| MIM | Merrill Lynch & Company, Inc. |
| MIN | MFS Inter Income Trust |
| MIR | Mirage Resorts, Inc. |
| MIX | Merrill Lynch & Company, Inc. |
| MIY | Muniyield Michigan Insured Fund, Inc. |
| MJI | Muniyield New Jersey Insured Fund, Inc. |
| MJV | SATURNS DPL Capital Trust II Series 20 |
| MJY | SATURNS DPL Capital Trust Series 2002- |
| MK | Morrison Knudsen Corporation |
| MKC | McCormick & Company, Inc. |
| MKG | Mallinckrodt, Inc. |
| MKGP | Mallinckrodt, Inc. Preferred |
| MKL | Markel Corporation |
| MKS | Mikasa, Inc. |
| MKT | Advanced Marketing Services |