| 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 | 17.628 | 12.296 | 143% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 737B | 27.4B | 2,690% |
| Annual Yield % from dividends | 1.11 | 0.17 | 652% |
| Returns for 1 year | 15.86 | -0.26 | -6,188% |
| Returns for 3 years | 79.05 | 28.14 | 281% |
| Returns for 5 years | 105.43 | 25.71 | 410% |
| Returns for 10 years | 272.34 | 81.16 | 336% |