| 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 | 13.774 | 8.072 | 171% |
| Front Load | N/A | 6% | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.53B | 509M | 1,479% |
| Annual Yield % from dividends | 1.15 | 0.00 | - |
| Returns for 1 year | -2.30 | 2.72 | -84% |
| Returns for 3 years | 0.48 | -7.40 | -6% |
| Returns for 5 years | N/A | -54.17 | - |
| Returns for 10 years | N/A | -28.00 | - |