| PRBLX | VFINX | PRBLX / VFINX | |
| Total Expense Ratio | 0.81 | 0.14 | 579% |
| Annual Report Gross Expense Ratio | 0.85 | 0.14 | 607% |
| Fund Existence | 34 years | 50 years | - |
| Gain YTD | 6.939 | 8.255 | 84% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 23.3B | 1.67T | 1% |
| Annual Yield % from dividends | 0.03 | 0.97 | 3% |
| Returns for 1 year | -8.73 | 16.46 | -53% |
| Returns for 3 years | 7.61 | 62.42 | 12% |
| Returns for 5 years | -3.99 | 68.10 | -6% |
| Returns for 10 years | 62.38 | 242.03 | 26% |