| NBGNX | VISGX | NBGNX / VISGX | |
| Total Expense Ratio | 0.99 | 0.19 | 521% |
| Annual Report Gross Expense Ratio | 0.99 | 0.19 | 521% |
| Fund Existence | 38 years | 28 years | - |
| Gain YTD | 11.219 | 11.959 | 94% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.95B | 44.7B | 16% |
| Annual Yield % from dividends | 0.20 | 0.32 | 63% |
| Returns for 1 year | -8.38 | 12.25 | -68% |
| Returns for 3 years | 1.87 | 50.95 | 4% |
| Returns for 5 years | -24.14 | 17.36 | -139% |
| Returns for 10 years | 3.61 | 167.12 | 2% |