Today, all automakers will report May sales and we'll be reporting them as they come in. Nissan is one of the first to check in with a 16.6% rise and their luxury arm, Infiniti, was up 7.7%. Porsche turned in a great month, up 25% with the new Boxster showing the way. The Cayenne, not immune to the recent defection from thirsty SUVs, fell 6%. A surprise to the market was Chrysler Group falling 3%. Many analysts picked Chrysler to gain this month. Mercedes Benz dropped 2%. We'll update all through the day, including links to more detailed model sales rundowns when they become available.