| NRGSX | RFISX | NRGSX / RFISX | |
| Total Expense Ratio | 0.74 | 1.15 | 64% |
| Annual Report Gross Expense Ratio | 0.74 | 1.57 | 47% |
| Fund Existence | 13 years | 14 years | - |
| Gain YTD | 5.452 | 1.757 | 310% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.49B | 22M | 38,609% |
| Annual Yield % from dividends | 0.48 | 0.00 | - |
| Returns for 1 year | -12.75 | -13.54 | 94% |
| Returns for 3 years | -6.33 | -5.37 | 118% |
| Returns for 5 years | -23.10 | -28.10 | 82% |
| Returns for 10 years | 24.83 | 22.14 | 112% |