PRK Price Data Last 52.95 Change 0.15 % Change 0.28% Time 16:00:39 Day Low 52.52 52 Wk Low 39.348 Bid 0.00 Bid Size 1 Prev Close 53.10 Open 53.28 Volume 49,622 10D Ave Vol 67,180 Day High 53.73 52 Wk High 70.39 Ask 0.00 Ask Size 1 Fundamental Data Market Cap 0 P/E Ratio 10.94 Shares Out 14267t EPS 4.83793 Yield 7.101039 Dividend 0.94 Div. Date 10Mar2010 Exchange AMEX