| 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 | 11.642 | 17.383 | 67% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.51B | 47B | 16% |
| Annual Yield % from dividends | 0.00 | 0.42 | - |
| Returns for 1 year | -6.25 | 26.88 | -23% |
| Returns for 3 years | -3.87 | 51.28 | -8% |
| Returns for 5 years | -22.70 | 27.73 | -82% |
| Returns for 10 years | -4.28 | 181.67 | -2% |