| FXAIX | PRBLX | FXAIX / PRBLX | |
| Total Expense Ratio | 0.01 | 0.81 | 2% |
| Annual Report Gross Expense Ratio | 0.01 | 0.81 | 2% |
| Fund Existence | 15 years | 33 years | - |
| Gain YTD | 17.153 | 12.061 | 142% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 739B | 27.5B | 2,687% |
| Annual Yield % from dividends | 1.11 | 0.17 | 654% |
| Returns for 1 year | 14.07 | -1.04 | -1,353% |
| Returns for 3 years | 74.61 | 35.87 | 208% |
| Returns for 5 years | 99.82 | 29.53 | 338% |
| Returns for 10 years | 258.16 | 87.71 | 294% |