European stocks plunge after the continent reports its biggest ever GDP drop

· European stocks moved lower on Monday after eurozone GDP fell by 3.6%, it's worst fall since 1995, when comparable records began. 
· Germany's DAX dropped almost 2%, while the Europe-wide Eurostoxx 50 slid 1.7%.
· US futures also fell, with the S&P 500 looking set to lose 1% at the open, and fall back into negative...