| NRGSX | NSRSX | NRGSX / NSRSX | |
| Total Expense Ratio | 0.74 | 0.81 | 91% |
| Annual Report Gross Expense Ratio | 0.74 | 1.04 | 71% |
| Fund Existence | 13 years | 7 years | - |
| Gain YTD | 7.927 | 9.631 | 82% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.61B | 553M | 1,556% |
| Annual Yield % from dividends | 0.50 | 0.00 | - |
| Returns for 1 year | -11.92 | 10.03 | -119% |
| Returns for 3 years | 1.59 | 50.98 | 3% |
| Returns for 5 years | -20.23 | -2.99 | 677% |
| Returns for 10 years | 27.59 | N/A | - |