| 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 | 0.134 | 11.210 | 1% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.47B | 1.6T | 0% |
| Annual Yield % from dividends | 0.14 | 1.04 | 14% |
| Returns for 1 year | -0.56 | 28.07 | -2% |
| Returns for 3 years | 20.56 | 77.67 | 26% |
| Returns for 5 years | 20.66 | 81.48 | 25% |
| Returns for 10 years | 84.46 | 263.64 | 32% |