| NRGSX | WFSAX | NRGSX / WFSAX | |
| Total Expense Ratio | 0.74 | 1.27 | 58% |
| Annual Report Gross Expense Ratio | 0.74 | 1.35 | 55% |
| Fund Existence | 14 years | 23 years | - |
| Gain YTD | 11.425 | 5.847 | 195% |
| 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 | 0.44 | 0.00 | - |
| Returns for 1 year | -8.11 | -4.26 | 190% |
| Returns for 3 years | 2.69 | -4.07 | -66% |
| Returns for 5 years | -23.14 | -55.42 | 42% |
| Returns for 10 years | 10.53 | -29.83 | -35% |