** Australian technology sub-index .AXIJ fall as much as 1.2%, its lowest level since Dec. 23, on track to record its third straight session of losses if current trend holds
** Sub-index tracks overnight losses on Wall Street .N
** ASX-listed shares of Block Inc SQ2.AX fall as much as 2.1%, on track to record its second straight session of losses
** Shares of accounting services provider Xero XRO.AX fall 1.1%
** Sub-index has gained 49.2% YTD, as of 2345 GMT
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com))