To be or not be ...

 ° Yahoo! Finance
  My main US reference

 ° Clearstation Community
  All the Graphs and Stats you may need ...

 ° CNBC Site
  Fun for the night!

 ° Raging Bull
  Good Informations

 ° Earnings Whispers
  To be checked before any earning date

 ° Wallstreet Reporter
  CEO Interviews

  Some flavour from the old Europe ...

 ° Yahoo! Finanza
  Italy reference

 ° Yahoo! Convertitore di Valuta
  Exchange Rates

 ° Il Sole 24 Ore
  Quotazioni Borsa Italiana

Italy: online trading
 ° Fineco
 ° Banca Sella
 ° Credito Emiliano