Wall Street Journal | New Oil Players Line Up to Bid on a Piece of Mexico Wall Street Journal MEXICO CITY—Former Mexican finance minister Pedro Aspe has an unusual collection on the walls of his offices here: stock and bond certificates from some of the Mexican oil companies that existed before the industry was nationalized in 1938, creating ... Foreign firms compete in historic Mexico oil auction Aussie companies early victors in Mexican oil auction Mexico: the big oil sell-off |