| 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 | 6.591 | 12.002 | 55% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 678M | 7.51B | 9% |
| Annual Yield % from dividends | 0.00 | 0.44 | - |
| Returns for 1 year | -5.08 | -5.23 | 97% |
| Returns for 3 years | -4.25 | -1.53 | 277% |
| Returns for 5 years | -39.33 | -19.58 | 201% |
| Returns for 10 years | -3.48 | 11.10 | -31% |