| NSBCX | VFFSX | NSBCX / VFFSX | |
| Total Expense Ratio | 1.66 | 0.01 | 16,600% |
| Annual Report Gross Expense Ratio | 1.66 | 0.01 | 16,600% |
| Fund Existence | 20 years | 10 years | - |
| Gain YTD | 1.648 | 17.891 | 9% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.65B | 1.48T | 0% |
| Annual Yield % from dividends | 0.13 | 1.13 | 11% |
| Returns for 1 year | -0.40 | 14.87 | -3% |
| Returns for 3 years | 24.15 | 81.45 | 30% |
| Returns for 5 years | 37.28 | 87.59 | 43% |
| Returns for 10 years | 93.29 | N/A | - |