| NBMBX | VMGMX | NBMBX / VMGMX | |
| Total Expense Ratio | 1.20 | 0.07 | 1,714% |
| Annual Report Gross Expense Ratio | 1.20 | 0.07 | 1,714% |
| Fund Existence | 29 years | 14 years | - |
| Gain YTD | 11.175 | 13.082 | 85% |
| 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 | 0.62 | - |
| Returns for 1 year | -2.64 | 9.00 | -29% |
| Returns for 3 years | 31.00 | 51.02 | 61% |
| Returns for 5 years | -7.30 | 48.04 | -15% |
| Returns for 10 years | 38.67 | 193.71 | 20% |