| Abbreviation | Definition |
|---|---|
| GLW | Corning, Inc. (glassware) |
| GLX | Glaxo Wellcome, P. L. C. |
| GM | General Motors Corporation |
| GMD | Grupo Mexicano de Desarollo |
| GMH | General Motors Corporation Class H ( Hughes Aircraft Subsidiary tracking stock) |
| GMK | Gruma S. A. de C. V. |
| GML | SPDR Standard Poors Emerging Latin America Fund |
| GML | SPDR Standard & Poors Emerging Latin America Fund |
| GMP | Green Mountain Power Corporation |
| GMPX | General Motors Capital Trust D |
| GMPY | General Motors Capital Trust G |
| GMT | GATX Corporation |
| GNA | Gainsco, Inc. |
| GNI | Great Northern Iron Ore Properties |
| GNL | Galey & Lord, Inc. |
| GO | Walt Disney Company (formerly stock of Go.Com) |
| GOK | Geokinetics, Inc. |
| GON | Geon Company |
| GOT | GottSchalks, Inc. |
| GOU | Gulf Canada Resources, LTD. |