| 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 | 12.936 | 17.405 | 74% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.54B | 45.5B | 17% |
| Annual Yield % from dividends | 0.22 | 0.34 | 63% |
| Returns for 1 year | -1.87 | 30.33 | -6% |
| Returns for 3 years | 3.50 | 61.47 | 6% |
| Returns for 5 years | -20.59 | 22.44 | -92% |
| Returns for 10 years | 12.85 | 208.13 | 6% |