The Bulls N' Bears ASX Runner of the Week is… Hydrix Limited, which surged after unveiling a strategic pivot into counter-drone defence technology through a deal with NIOA Group. Newcomer KTEK Aerosystems charged on debut as investors backed its full-turnkey drone sub-assembly technology amid massive global defence spending, Anteotech surged on independent US validation of its Ultranode high-silicon anode delivering over 40 per cent higher energy density for drone batteries and Castle Minerals ran strongly after acquiring the high-grade Nielle gold project in Côte d'Ivoire's prolific Birimian belt.