| MRIGX | NRGSX | MRIGX / NRGSX | |
| Total Expense Ratio | 0.96 | 0.74 | 130% |
| Annual Report Gross Expense Ratio | 0.96 | 0.74 | 130% |
| Fund Existence | 13 years | 13 years | - |
| Gain YTD | 6.297 | 9.900 | 64% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 678M | 7.49B | 9% |
| Annual Yield % from dividends | 0.00 | 0.47 | - |
| Returns for 1 year | -1.75 | -3.03 | 58% |
| Returns for 3 years | 0.71 | 1.88 | 38% |
| Returns for 5 years | -39.83 | -20.50 | 194% |
| Returns for 10 years | 2.33 | 14.17 | 16% |