Who knows P&F ? Jun 10, 2014 15:21:09 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Deleted on Jun 10, 2014 15:21:09 GMT -5 PT 16.50. Any validity to P&F ?stockcharts.com/def/servlet/SC.pnf?c=mnkd,P