| Variable name | Variable Codes | p-value |
| Investor sentiment | sentiment | 0.000*** |
| Investor sentiment first order differential | Diff_1_sentiment | 0.000*** |
| Investor sentiment second order differential | Diff_2_sentiment | 0.000*** |
| SSE | y | 0.187 |
| SSE First Order Difference | Diff_1_y | 0.000*** |
| SSE Second Order Difference | Diff_2_y | 0.000*** |