Sony has posted a massive net loss of $2.03 billion (1.28 billion) during its third financial quarter, October to December. The figure is based on its total revenue of $23.37 billion (14.7 billion), which is down 17.4% on the same period last year. This leaves Sony facing its fourth consecutive year of making a loss. The figures are even more troublesome when you realise that they contain sales from the normally lucrative Christmas period...