L3Harris Technologies, Inc. (NYSE:LHX) is among the best 3D printing stocks to buy according to hedge funds. On March 11, defense contractor L3Harris Technologies, Inc. (NYSE:LHX) announced a breakthrough achievement in autonomous electronic warfare technology. It achieved this milestone in partnership with Shield AI, a defense tech company that builds AI-power systems. According to L3Harris, they were able to demonstrate how “unmanned systems can detect, analyze and respond to electromagnetic threats in r ...