| MRIGX | NRGSX | MRIGX / NRGSX | |
| Total Expense Ratio | 0.96 | 0.74 | 130% |
| Annual Report Gross Expense Ratio | 0.96 | 0.74 | 130% |
| Fund Existence | 12 years | 13 years | - |
| Gain YTD | -1.958 | 5.452 | -36% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 678M | 8.49B | 8% |
| Annual Yield % from dividends | 0.00 | 0.48 | - |
| Returns for 1 year | -18.05 | -12.75 | 142% |
| Returns for 3 years | -10.78 | -6.33 | 170% |
| Returns for 5 years | -40.39 | -23.10 | 175% |
| Returns for 10 years | 8.76 | 24.83 | 35% |