| NRGSX | NSRSX | NRGSX / NSRSX | |
| Total Expense Ratio | 0.74 | 0.81 | 91% |
| Annual Report Gross Expense Ratio | 0.74 | 1.01 | 73% |
| Fund Existence | 14 years | 8 years | - |
| Gain YTD | 11.425 | 5.829 | 196% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.95B | 632M | 1,100% |
| Annual Yield % from dividends | 0.44 | 0.00 | - |
| Returns for 1 year | -8.11 | 3.14 | -258% |
| Returns for 3 years | 2.69 | 44.94 | 6% |
| Returns for 5 years | -23.14 | -2.28 | 1,014% |
| Returns for 10 years | 10.53 | N/A | - |