** XPON Technologies Group XPN.AX soars as much as 40% to A$0.014, highest since October 10

** Stock logs largest intraday pct gain since early May

** AI marketing technology firm reports Q1 group sales revenue of A$3.2 mln ($2.1 mln) vs A$2.1 mln last year

** Attributes higher revenue to acquisition of digital marketing business Alpha Digital in May

** Stock sees busiest session since September 19, with more than 10.1 million shares traded - 7.5x the 30-day avg

** YTD, XPN falls 14.3%

($1 = A$1.5389)

(Reporting by Nikita Maria Jino in Bengaluru)

((Nikita.Jino@thomsonreuters.com;))