Testing The Waters: Porsche Underbids On VW, All Your German Automakers Are Belong to Ferdinand Piech?

Ok, at the moment Porsche isn't buying Volkswagen. I know there's all this talk everywhere on the Bruce-tastic Teutonic knights taking a larger stake in the automaker representing Deutschland, but an outright purchase is just not happening — yet. How do we know? Here's why. The shares of V-Dub are currently trading…