| 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 | 16.076 | 18.879 | 85% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.39B | 43.9B | 17% |
| Annual Yield % from dividends | 0.00 | 0.45 | - |
| Returns for 1 year | -2.27 | 26.41 | -9% |
| Returns for 3 years | 4.57 | 62.78 | 7% |
| Returns for 5 years | -22.08 | 29.94 | -74% |
| Returns for 10 years | -2.78 | 176.32 | -2% |