| NBGIX | VISGX | NBGIX / VISGX | |
| Total Expense Ratio | 0.84 | 0.19 | 442% |
| Annual Report Gross Expense Ratio | 0.84 | 0.19 | 442% |
| Fund Existence | 26 years | 28 years | - |
| Gain YTD | -4.251 | 7.920 | -54% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 3000 | 33,333% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.52B | 39.7B | 21% |
| Annual Yield % from dividends | 0.00 | 0.43 | - |
| Returns for 1 year | -14.03 | 3.97 | -353% |
| Returns for 3 years | -2.03 | 41.11 | -5% |
| Returns for 5 years | -7.02 | 27.42 | -26% |
| Returns for 10 years | 10.08 | 154.40 | 7% |