| Stock | S&P 500 Index (Standard & Poor’s 500 Index) |
| Stock Keeping Unit (SKU) | Sarbanes-Oxley (SOX) Act of 2002 |
| Stock Market | Securities and Exchange Commission (SEC) |
| Stop-Limit Order | Security |
| Straddle | Series 63 |
| Strength, Weakness, Opportunity, and Threat (SWOT) Analysis | Series 7 |
| Subsidiary | Sharpe Ratio |
| Supply Chain | Short Selling |
| Sustainability | Social Media |
| Systematic Sampling | Social Responsibility |
| Standard Deviation | Solvency Ratio |
| Stochastic Oscillator | Spread |