A traffic light is seen in front of an office of the Swiss banking giant UBS, 30 January 2008 in Lausanne. UBS said today it will post a full-year loss of 4.4 billion Swiss francs (3.5 billion dollars, 2.75 billion euros) in 2007 due to its exposure to the US subprime crisis. In the fourth quarter alone, UBS posted a net loss of 12.5 billion Swiss francs, the bank said in a statement.  AFP PHOTO / Fabrice Coffrini (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)