US stock markets reopen with sporadic and choppy trading- Nasdaq 100 higher in early trade

The US stock markets have just reopened for the first live trading session of the week and it has been something of a mixed start. The Dow Jones was priced to reopen high just ahead of the opening bell but immediately the index has fallen back. At the same time, the Nasdaq 100 has opened higher. The index closed on Friday at 19,791. It just reopened at 19,848 and lifted immediately to a high at 19,864, but that too has fallen back and now the Dow Jones has rebounded again in a matter of seconds- Confused? You are not alone dear reader. The upshot is this is choppy in very early trading and just ahead of that noted US PMI data due shortly, at 1.45pm GMT. The Nasdaq 100 is currently trading at 19,820