| NRGEX | WFSAX | NRGEX / WFSAX | |
| Total Expense Ratio | 0.02 | 1.27 | 2% |
| Annual Report Gross Expense Ratio | 0.68 | 1.35 | 50% |
| Fund Existence | 5 years | 23 years | - |
| Gain YTD | 11.992 | 5.847 | 205% |
| Front Load | N/A | 6% | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.95B | 503M | 1,383% |
| Annual Yield % from dividends | 1.14 | 0.00 | - |
| Returns for 1 year | -7.42 | -4.26 | 174% |
| Returns for 3 years | 4.97 | -4.07 | -122% |
| Returns for 5 years | N/A | -55.42 | - |
| Returns for 10 years | N/A | -29.83 | - |