Brussels, 04/01/2012 (Agence Europe) - On Wednesday 4 January, Germany successfully issued ten-year sovereign bonds at a rate of 1.93%, slightly down on the last emission (1.98%) of the same type, in November 2011, for which supply exceeded demand. On the same day, Portugal rolled over debt of €1bn for three months at 4.3%, lower than the most recent similar emission (4.9% in December 2011). Portugal has been granted international aid of €78bn because it has been unable to roll over its...