| NBMBX | VMGIX | NBMBX / VMGIX | |
| Total Expense Ratio | 1.20 | 0.19 | 632% |
| Annual Report Gross Expense Ratio | 1.20 | 0.19 | 632% |
| Fund Existence | 29 years | 19 years | - |
| Gain YTD | 7.189 | 10.292 | 70% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 3000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.08B | 33.1B | 6% |
| Annual Yield % from dividends | 0.00 | 0.51 | - |
| Returns for 1 year | -5.83 | 6.62 | -88% |
| Returns for 3 years | 27.47 | 49.37 | 56% |
| Returns for 5 years | -10.62 | 44.32 | -24% |
| Returns for 10 years | 33.01 | 182.31 | 18% |