| NBGAX | VSGIX | NBGAX / VSGIX | |
| Total Expense Ratio | 1.34 | 0.05 | 2,680% |
| Annual Report Gross Expense Ratio | 1.34 | 0.05 | 2,680% |
| Fund Existence | 29 years | 26 years | - |
| Gain YTD | 10.948 | 12.014 | 91% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.95B | 44.7B | 16% |
| Annual Yield % from dividends | 0.00 | 0.44 | - |
| Returns for 1 year | -9.11 | 12.29 | -74% |
| Returns for 3 years | 0.24 | 51.13 | 0% |
| Returns for 5 years | -26.11 | 17.58 | -148% |
| Returns for 10 years | -4.80 | 168.27 | -3% |