| NSIUX | VFISX | NSIUX / VFISX | |
| Total Expense Ratio | 0.44 | 0.20 | 220% |
| Annual Report Gross Expense Ratio | 0.73 | 0.20 | 365% |
| Fund Existence | 27 years | 35 years | - |
| Gain YTD | 0.159 | -1.308 | -12% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 3000 | 83% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 24.5M | 5.78B | 0% |
| Annual Yield % from dividends | 3.43 | 3.74 | 92% |
| Returns for 1 year | 2.80 | -0.51 | -553% |
| Returns for 3 years | 12.02 | -0.10 | -11,807% |
| Returns for 5 years | 5.53 | -8.10 | -68% |
| Returns for 10 years | 12.99 | -5.18 | -251% |