** Australian tech stocks .AXIJ rise as much as 2.7%, on track to log its best session since March 10, if trend holds
** Three main U.S. stock indexes closed overnight session up more than 1% as oil prices fell after President Donald Trump said he had ordered the military to postpone strikes against Iranian power plants .N
** Shares of tech firms WiseTech Global WTC.AX, NEXTDC NXT.AX up 0.7% and 1%, respectively
** Sub-index has fallen 24.3% this year, including session moves
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com;))