| NBMIX | VSGAX | NBMIX / VSGAX | |
| Total Expense Ratio | 1.31 | 0.07 | 1,871% |
| Annual Report Gross Expense Ratio | 1.31 | 0.07 | 1,871% |
| Fund Existence | 28 years | 15 years | - |
| Gain YTD | 21.108 | 18.272 | 116% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 3000 | 33% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 708M | 45.5B | 2% |
| Annual Yield % from dividends | 0.00 | 0.44 | - |
| Returns for 1 year | 32.03 | 32.27 | 99% |
| Returns for 3 years | 61.16 | 57.44 | 106% |
| Returns for 5 years | 14.90 | 28.50 | 52% |
| Returns for 10 years | 149.02 | 194.79 | 76% |