** Australian tech sub-index  .AXIJ  falls as much as 2.5%,
hitting its lowest since Feb. 26, weighed down by
buy-now-pay-later stocks which were sharply lower
    ** Local tech stocks track weak session for U.S. peers as
tech-heavy Nasdaq  .IXIC  ends lower overnight
    ** Buy-now-pay-later co Afterpay  APT.AX  gives up as much
as 4.3%, while Zip  Z1P.AX  eases as much as 4.7%
    ** Accounting software firm Xero  XRO.AX  sags as much as 4%
after revealing plans to buy Planday for A$284.5 mln ($221.43
mln)
    ** Sub-index marks its worst intraday pct loss since Feb. 26
    ** As of last close, sub-index had fallen 8.1% so far this
year, compared with 3.5% rise in benchmark  .AXJO  




($1 = 1.2849 Australian dollars)

 (Reporting by Riya Sharma in Bengaluru)
 ((Riya.Sharma@thomsonreuters.com;))