| NSBCX | VFFSX | NSBCX / VFFSX | |
| Total Expense Ratio | 1.67 | 0.01 | 16,700% |
| Annual Report Gross Expense Ratio | 1.67 | 0.01 | 16,700% |
| Fund Existence | 20 years | 9 years | - |
| Gain YTD | 9.101 | 16.668 | 55% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.67B | 1.46T | 0% |
| Annual Yield % from dividends | 0.13 | 1.13 | 11% |
| Returns for 1 year | 1.56 | 14.56 | 11% |
| Returns for 3 years | 31.33 | 71.84 | 44% |
| Returns for 5 years | 45.08 | 91.34 | 49% |
| Returns for 10 years | 101.33 | N/A | - |