** Shares of Australian tech stocks .AXIJ rise as much as 2.8%, logging their biggest intraday pct gain since Nov. 27
** Sub-index tracks its peers on Wall Street, where tech-heavy Nasdaq closed 0.9% up
** Wall Street's main indexes finished higher on Thursday, as investors bought shares after U.S. President Donald Trump rescinded tariff threats on European allies .N
** Data centre operator NEXTDC NXT.AX rises 2% while New Zealand-based Xero XRO.AX gains 1.1%
** AXIJ down 4% YTD, sheds 1.6% so far this week
(Reporting by Rajasik Mukherjee in Bengaluru)
((Rajasik.Mukherjee@thomsonreuters.com))