| NBMBX | PEMGX | NBMBX / PEMGX | |
| Total Expense Ratio | 1.20 | 0.91 | 132% |
| Annual Report Gross Expense Ratio | 1.20 | 0.91 | 132% |
| Fund Existence | 29 years | 20 years | - |
| Gain YTD | 5.255 | -0.680 | -772% |
| Front Load | N/A | 6% | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.97B | 30.9B | 6% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | -6.05 | -6.54 | 93% |
| Returns for 3 years | 25.71 | 32.28 | 80% |
| Returns for 5 years | -14.26 | 24.68 | -58% |
| Returns for 10 years | 27.96 | 89.67 | 31% |