| 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 | 12.002 | 15.505 | 77% |
| Front Load | N/A | 6% | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.51B | 690M | 1,088% |
| Annual Yield % from dividends | 0.44 | 0.00 | - |
| Returns for 1 year | -5.23 | 21.73 | -24% |
| Returns for 3 years | -1.53 | 49.30 | -3% |
| Returns for 5 years | -19.58 | 8.97 | -218% |
| Returns for 10 years | 11.10 | 126.03 | 9% |