| 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 | 22.240 | 21.271 | 105% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.88B | 43.9B | 22% |
| Annual Yield % from dividends | 0.00 | 0.33 | - |
| Returns for 1 year | 21.45 | 28.11 | 76% |
| Returns for 3 years | 40.33 | 62.23 | 65% |
| Returns for 5 years | 6.91 | 30.08 | 23% |
| Returns for 10 years | 99.65 | 184.46 | 54% |