| NBSMX | NRGSX | NBSMX / NRGSX | |
| Total Expense Ratio | 0.91 | 0.74 | 123% |
| Annual Report Gross Expense Ratio | 1.11 | 0.74 | 150% |
| Fund Existence | 18 years | 13 years | - |
| Gain YTD | 17.866 | 7.685 | 232% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 687M | 7.46B | 9% |
| Annual Yield % from dividends | 0.00 | 0.47 | - |
| Returns for 1 year | 29.33 | -5.09 | -576% |
| Returns for 3 years | 57.37 | -2.35 | -2,442% |
| Returns for 5 years | 12.43 | -20.54 | -61% |
| Returns for 10 years | 151.30 | 10.92 | 1,386% |