| BSFIX | NRGSX | BSFIX / NRGSX | |
| Total Expense Ratio | 1.05 | 0.74 | 142% |
| Annual Report Gross Expense Ratio | 1.05 | 0.74 | 142% |
| Fund Existence | 16 years | 13 years | - |
| Gain YTD | -5.458 | -7.590 | 72% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 3.45B | 8.19B | 42% |
| Annual Yield % from dividends | 0.00 | 0.07 | - |
| Returns for 1 year | -18.98 | -14.62 | 130% |
| Returns for 3 years | 7.44 | -4.10 | -182% |
| Returns for 5 years | -22.34 | -11.01 | 203% |
| Returns for 10 years | -4.71 | 3.70 | -127% |