| 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 | 10.706 | 13.301 | 80% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 3000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.07B | 32.2B | 6% |
| Annual Yield % from dividends | 0.00 | 0.64 | - |
| Returns for 1 year | -5.56 | 6.44 | -86% |
| Returns for 3 years | 31.28 | 53.12 | 59% |
| Returns for 5 years | -12.91 | 39.76 | -32% |
| Returns for 10 years | 39.84 | 195.32 | 20% |