** Shares of Elsight ELS.AX rise 17.1% to A$0.41
** Stock rose as much as 25.7% to A$0.44, its highest level since November 15
** The communication tech developer signs $4.28 million supply agreement with its Europe-based defence OEM customer
** Under agreement co to supply systems (Halo), a connectivity solution for autonomous systems, between April-July 2025 period
** About 349,460 shares change hands by 0051 GMT, 7.1 times the 30-day average volume of shares
** Stock down 5.4% this year, as of last close
(Reporting by Sherin Sunny in Bengaluru)
((Sherin.Sunny@thomsonreuters.com;))