Fiat Now Worth More than General Motors?

It's a mad, mad, mad world, highlighted by recent news that the market value of Europe's basket case automaker Fiat has just surpassed that of General Motors, the world's largest automaker, according to the Financial Times. How did that happen? GM is only number one based on number of vehicles sold, not profitability - that last honour held by Toyota or Porsche, depending on if you're looking at overall profitability or on a gross margin basis