| PRBLX | VFINX | PRBLX / VFINX | |
| Total Expense Ratio | 0.81 | 0.14 | 579% |
| Annual Report Gross Expense Ratio | 0.81 | 0.14 | 579% |
| Fund Existence | 33 years | 49 years | - |
| Gain YTD | 2.254 | 1.228 | 184% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 26.2B | 1.48T | 2% |
| Annual Yield % from dividends | 0.07 | 1.02 | 7% |
| Returns for 1 year | -3.63 | 18.64 | -19% |
| Returns for 3 years | 17.74 | 73.54 | 24% |
| Returns for 5 years | 8.39 | 84.11 | 10% |
| Returns for 10 years | 79.58 | 269.28 | 30% |