| NBMIX | VSGIX | NBMIX / VSGIX | |
| Total Expense Ratio | 1.31 | 0.06 | 2,183% |
| Annual Report Gross Expense Ratio | 1.34 | 0.06 | 2,233% |
| Fund Existence | 27 years | 26 years | - |
| Gain YTD | 5.509 | 2.561 | 215% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 5000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 506M | 39.7B | 1% |
| Annual Yield % from dividends | 0.00 | 0.55 | - |
| Returns for 1 year | -0.57 | 0.51 | -111% |
| Returns for 3 years | 41.53 | 38.08 | 109% |
| Returns for 5 years | 4.71 | 19.13 | 25% |
| Returns for 10 years | 81.91 | 136.34 | 60% |