Australian tech stocks dip tracking Nasdaq slump
** Australian tech stocks .AXIJ fall as much as 2.8%, their biggest intraday pct drop since Oct 6
** Tech stocks slip following Nasdaq's slump overnight after oil prices jumped nearly $2 a barrel on attacks on a Saudi airport .N
** Tech majors WiseTech Global WDS.AX and Xero XRO.AX falls 3.1% and 1.7% each
** YTD, AXIJ down 22.4%, including day's moves