| NRGSX | WRGCX | NRGSX / WRGCX | |
| Total Expense Ratio | 0.74 | 1.88 | 39% |
| Annual Report Gross Expense Ratio | 0.74 | 2.04 | 36% |
| Fund Existence | 13 years | 33 years | - |
| Gain YTD | 5.452 | 3.048 | 179% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.49B | 1.08B | 790% |
| Annual Yield % from dividends | 0.48 | 0.00 | - |
| Returns for 1 year | -12.75 | 1.84 | -694% |
| Returns for 3 years | -6.33 | -4.32 | 147% |
| Returns for 5 years | -23.10 | -60.44 | 38% |
| Returns for 10 years | 24.83 | -39.24 | -63% |