Shares tumble as Greece eyes referendum on rescue deal

London's FTSE 100 opened almost 100 points lower at 5,448 on Tuesday, while both the German Dax and French Cac fell by more than 3%. Greek Prime Minister George Papandreou said yesterday that the deal - which will see Greece granted a €100bn-euro loan, with bond holders taking a 50% haircut on their holdings - had to be passed by the people of Greece. According to the Telegraph, Papandreou told reporters: "The command of the Greek people will bind us. Do they want to adopt the new deal, or reject it? If the Greek people do not want it, it will not be adopted." There have been large...