** Australia-listed shares of Etherstack PLC ESK.AX rise 13.8% to A$0.33, their biggest intraday gain since January 3

** The Britain-based wireless technology co says revenue for H1 FY2025 currently expected to significantly outperform H1 FY2024, and expects a solid H1 and full FY2025 profit

** Co records over $7 million in H1 cash receipts

** About 864,500 shares change hands, 16x the 30-day average

** Stock up 31.8% this year, as of last close

(Reporting by Sherin Sunny in Bengaluru)

((Sherin.Sunny@thomsonreuters.com;))