| 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 | 12.061 | 16.122 | 75% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 27.5B | 1.46T | 2% |
| Annual Yield % from dividends | 0.17 | 1.13 | 15% |
| Returns for 1 year | -1.04 | 12.72 | -8% |
| Returns for 3 years | 35.87 | 67.45 | 53% |
| Returns for 5 years | 29.53 | 86.00 | 34% |
| Returns for 10 years | 87.71 | N/A | - |