** Australian technology sub-index climbs as much as 5.9%; set for their best intraday pct gain since Feb. 15
** Sub-index tracks Wall Street's overnight gains, with EV-maker Tesla's jump boosting a tech-heavy Nasdaq
** Australian software maker WiseTech Global surges as much as 22.1% to A$121.330
** Stock set for best intraday pct gain since Aug. 25, 2021
** YTD, sub-index up 38.6%
(Reporting by Rajasik Mukherjee in Bengaluru)
((Rajasik.Mukherjee@thomsonreuters.com;))