| NRGSX | VVSGX | NRGSX / VVSGX | |
| Total Expense Ratio | 0.74 | 0.88 | 84% |
| Annual Report Gross Expense Ratio | 0.74 | 0.93 | 80% |
| Fund Existence | 14 years | 28 years | - |
| Gain YTD | 11.425 | 9.831 | 116% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.95B | 546M | 1,274% |
| Annual Yield % from dividends | 0.44 | 0.00 | - |
| Returns for 1 year | -8.11 | 9.71 | -84% |
| Returns for 3 years | 2.69 | 38.63 | 7% |
| Returns for 5 years | -23.14 | -15.54 | 149% |
| Returns for 10 years | 10.53 | 40.22 | 26% |