If you're interested more on how companies previously invented metrics to make themselves look more valuable than they are and how this led to speculative insan

If you're interested more on how companies previously invented metrics to make themselves look more valuable than they are and how this led to speculative insanity, and a general introduction to investing and economics, try this book: http://www.amazon.com/Random-Walk-Down-Wall-Street/dp/0393325350/ http://www.amazon.com/Random-Walk-Down-Wall-Street/dp/039332...