| 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 | 1.998 | 0.304 | 657% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 753B | 25.3B | 2,976% |
| Annual Yield % from dividends | 1.10 | 0.07 | 1,500% |
| Returns for 1 year | 17.83 | -8.92 | -200% |
| Returns for 3 years | 75.94 | 13.07 | 581% |
| Returns for 5 years | 93.74 | 4.27 | 2,198% |
| Returns for 10 years | 310.97 | 73.27 | 424% |