Australian tech stocks track Wall Street peers lower

** The Australian technology sub-index XXIJ slips as much as 2.4% to post its biggest intraday pct loss since April 19

** Sub-index tracks overnight losses on Wall Street

** ASX-listed shares of Block Inc SQ slip as much as 2.6% to hit A$111.90, their lowest level since April 23

** Shares of software developer WiseTech Global WTC fall as much as 4.1% to A$89.00, their biggest intraday pct loss since April 19

** Sub-index up 19.4% YTD, as of last close