| 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 | 15.417 | 12.002 | 128% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 690M | 7.51B | 9% |
| Annual Yield % from dividends | 0.00 | 0.44 | - |
| Returns for 1 year | 21.51 | -5.23 | -411% |
| Returns for 3 years | 48.62 | -1.53 | -3,173% |
| Returns for 5 years | 8.14 | -19.58 | -42% |
| Returns for 10 years | 120.05 | 11.10 | 1,081% |