| Abbreviation | Definition |
|---|---|
| SNCL | Sinclair Will. |
| SND | Sanderson Grp |
| SNG | Synairgen |
| SNP | Sinopec China Petroleum & Chemical Corporation American Depositary Receipts |
| SNP | Sinopec Corp |
| SNR | Senior |
| SNRP | Strategic Nat. |
| SNS | Silanis |
| SNT | Sabien Tech. |
| SO | Stock Option |
| SOG | Statpro |
| SOI | Schroder Orient |
| SOLG | Solomon |
| SOLO | Solo Oil |
| SOM | Somero Enter |
| SOMA | Somero Ent.144a |
| SON | Sony Corp. |
| SON | Sony Corporation |
| SONJ | Sony Corp.edr |
| SONJ | Sony Corporation European Depositary Receipts |