| NRGSX | NSRSX | NRGSX / NSRSX | |
| Total Expense Ratio | 0.74 | 0.81 | 91% |
| Annual Report Gross Expense Ratio | 0.74 | 1.01 | 73% |
| Fund Existence | 13 years | 8 years | - |
| Gain YTD | 16.543 | 10.963 | 151% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.39B | 665M | 1,111% |
| Annual Yield % from dividends | 0.45 | 0.00 | - |
| Returns for 1 year | -1.20 | 15.46 | -8% |
| Returns for 3 years | 7.14 | 55.46 | 13% |
| Returns for 5 years | -18.93 | 9.36 | -202% |
| Returns for 10 years | 12.86 | N/A | - |