| 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 | 15.364 | 13.197 | 116% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.33B | 47B | 20% |
| Annual Yield % from dividends | 0.00 | 0.31 | - |
| Returns for 1 year | 17.33 | 19.94 | 87% |
| Returns for 3 years | 28.41 | 45.49 | 62% |
| Returns for 5 years | 2.18 | 20.52 | 11% |
| Returns for 10 years | 89.32 | 167.19 | 53% |