| PRBLX | VFFSX | PRBLX / VFFSX | |
| Total Expense Ratio | 0.81 | 0.01 | 8,100% |
| Annual Report Gross Expense Ratio | 0.81 | 0.01 | 8,100% |
| Fund Existence | 33 years | 9 years | - |
| Gain YTD | 12.128 | 14.262 | 85% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 27.2B | 1.46T | 2% |
| Annual Yield % from dividends | 0.17 | 1.13 | 15% |
| Returns for 1 year | -0.18 | 12.06 | -2% |
| Returns for 3 years | 37.44 | 66.74 | 56% |
| Returns for 5 years | 31.33 | 84.99 | 37% |
| Returns for 10 years | 88.02 | N/A | - |