Shares of Australia's Activeport ATV.AX rise as much as 71.4% to A$0.012, logging their best day since Aug. 14, 2025
Stock hits highest level since March 6
Software developer says Barcelona-founded Submer Technologies buys co's GPU software partner, Radian
Adds, deal to boost demand for co's GPU software, supporting recurring revenue
Co retains strategic equity stake in combined business valued at over A$1 million
Stock down over 40% this year, including the day's move