| 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 | 15 years | - |
| Gain YTD | 9.900 | 10.100 | 98% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.49B | 12.9M | 58,062% |
| Annual Yield % from dividends | 0.47 | 0.00 | - |
| Returns for 1 year | -3.03 | 3.97 | -76% |
| Returns for 3 years | 1.88 | 5.41 | 35% |
| Returns for 5 years | -20.50 | -25.89 | 79% |
| Returns for 10 years | 14.17 | 13.67 | 104% |