| 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 | 5.218 | 5.452 | 96% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 538M | 8.49B | 6% |
| Annual Yield % from dividends | 0.00 | 0.48 | - |
| Returns for 1 year | 6.88 | -12.75 | -54% |
| Returns for 3 years | 38.83 | -6.33 | -613% |
| Returns for 5 years | -11.01 | -23.10 | 48% |
| Returns for 10 years | 154.59 | 24.83 | 623% |