| 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 | 0.587 | 9.311 | 6% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.4B | 1.7T | 0% |
| Annual Yield % from dividends | 0.09 | 1.08 | 8% |
| Returns for 1 year | -3.42 | 20.23 | -17% |
| Returns for 3 years | 17.35 | 68.31 | 25% |
| Returns for 5 years | 19.28 | 72.25 | 27% |
| Returns for 10 years | 85.35 | 256.77 | 33% |