ARBE ▼ -1.3% - Arbe Robotics Ltd. $ARBE ARBE - Arbe Expands into Defense and Homeland Security with the Alerion C-UAS Radar for Hard-to-Detect Drone Threats Arbe Robotics fell 1.3% today despite announcing an expansion into the defense and homeland security markets through its new Alerion C-UAS radar system designed to detect hard-to-identify drone threats. The stock's decline suggests investors may have focused on execution risk or competitive challenges in the defense sector rather than viewing the product expansion as immediately accretive to near-term results. 14-SEP-2026 08:02 AM ET