Core Viewpoint - The drone concept stocks in the U.S. market experienced a significant rise, driven by strategic partnerships and acquisitions in the industry [1] Group 1: Company Developments - AIRO Group (AIRO.US) saw its stock price increase by over 10% after announcing a letter of intent to establish a joint venture with Bullet to produce and deploy fixed-wing drone technology in the U.S. and NATO defense markets [1] - Archer Aviation (ACHR.US) shares rose by more than 9% following the announcement of its acquisition of approximately 300 advanced air mobility (AAM) technology patents from a competitor, Lilium, for €18 million (approximately $21 million), expanding its technology portfolio to over 1,000 assets [1] - The newly acquired technologies by Archer are expected to facilitate future developments in the light sport aircraft and regional air mobility sectors [1] Group 2: Market Reaction - AgEagle Aerial Systems (UAVS.US) and Joby Aviation (JOBY.US) also experienced stock price increases of over 6%, reflecting a positive market sentiment towards the drone industry [1]