** Australian technology stocks .AXIJ rise as much as 6.5% to their highest level since March 24
** U.S tech stocks advanced on Monday on the back of signs of progress towards U.S.-Iran ceasefire deal. Nasdaq closed up 0.5% N/
** Data centre operator NextDC NXT.AX up as much 14.8% at A$12.93; among top gainers on sub-index
** NXT launches A$1 billion ($690.50 million) hybrid securities offer, fully underpinned by binding commitment from Canada's La Caisse
** Software co WiseTech Global WTC.AX also up as much as 1.9% to A$36.6
** Sub-index down 25.9% this year
($1 = 1.4482 Australian dollars)
(Reporting by Sherin Sunny and Aamir Sheik Khalid in Bengaluru)
((Sherin.Sunny@thomsonreuters.com))