| NRGSX | RFIMX | NRGSX / RFIMX | |
| Total Expense Ratio | 0.74 | 1.28 | 58% |
| Annual Report Gross Expense Ratio | 0.74 | 1.99 | 37% |
| Fund Existence | 13 years | 8 years | - |
| Gain YTD | 5.452 | 6.703 | 81% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.49B | 11.2M | 75,839% |
| Annual Yield % from dividends | 0.48 | 0.00 | - |
| Returns for 1 year | -12.75 | 5.55 | -230% |
| Returns for 3 years | -6.33 | 14.71 | -43% |
| Returns for 5 years | -23.10 | -56.50 | 41% |
| Returns for 10 years | 24.83 | N/A | - |