| NBMVX | NRGSX | NBMVX / NRGSX | |
| Total Expense Ratio | 1.61 | 0.74 | 218% |
| Annual Report Gross Expense Ratio | 1.66 | 0.74 | 224% |
| Fund Existence | 24 years | 13 years | - |
| Gain YTD | 23.533 | 9.900 | 238% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 723M | 7.49B | 10% |
| Annual Yield % from dividends | 0.00 | 0.47 | - |
| Returns for 1 year | 34.33 | -3.03 | -1,134% |
| Returns for 3 years | 66.00 | 1.88 | 3,519% |
| Returns for 5 years | 11.62 | -20.50 | -57% |
| Returns for 10 years | 151.53 | 14.17 | 1,070% |