| NRGSX | NSNAX | NRGSX / NSNAX | |
| Total Expense Ratio | 0.74 | 1.27 | 58% |
| Annual Report Gross Expense Ratio | 0.74 | 1.50 | 49% |
| Fund Existence | 13 years | 17 years | - |
| Gain YTD | 9.900 | 23.603 | 42% |
| Front Load | N/A | 6% | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.49B | 723M | 1,036% |
| Annual Yield % from dividends | 0.47 | 0.00 | - |
| Returns for 1 year | -3.03 | 34.55 | -9% |
| Returns for 3 years | 1.88 | 66.79 | 3% |
| Returns for 5 years | -20.50 | 12.47 | -164% |
| Returns for 10 years | 14.17 | 158.34 | 9% |