$Plains Exploration & Productio(PXP)$ 8-K - Current report Filed: 2013-05-24 AccNo: 0001193125-13-235569 Size: 207 KBItem 5.04: Temporary Suspension of Trading Under Registrant's Employee Benefit PlansItem 5.07: Submission of Matters to a Vote of Security HoldersItem 7.01: Regulation FD DisclosureItem 8.01: Other 网页链接