| NBGNX | VSGIX | NBGNX / VSGIX | |
| Total Expense Ratio | 0.99 | 0.06 | 1,650% |
| Annual Report Gross Expense Ratio | 0.99 | 0.06 | 1,650% |
| Fund Existence | 37 years | 26 years | - |
| Gain YTD | -7.812 | 2.498 | -313% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 5000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.19B | 39.7B | 21% |
| Annual Yield % from dividends | 0.00 | 0.55 | - |
| Returns for 1 year | -14.84 | 1.75 | -847% |
| Returns for 3 years | -4.85 | 38.00 | -13% |
| Returns for 5 years | -12.14 | 19.37 | -63% |
| Returns for 10 years | -8.63 | 136.19 | -6% |