| PRDSX | VISGX | PRDSX / VISGX | |
| Total Expense Ratio | 0.80 | 0.19 | 421% |
| Annual Report Gross Expense Ratio | 0.80 | 0.19 | 421% |
| Fund Existence | 29 years | 28 years | - |
| Gain YTD | 13.707 | 17.759 | 77% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.26B | 42.8B | 22% |
| Annual Yield % from dividends | 0.00 | 0.34 | - |
| Returns for 1 year | 21.90 | 34.40 | 64% |
| Returns for 3 years | 34.08 | 61.44 | 55% |
| Returns for 5 years | 3.10 | 30.62 | 10% |
| Returns for 10 years | 93.27 | 190.06 | 49% |