美股无人机概念股盘前普涨，Archer Aviation涨超7%

Core Viewpoint - The U.S. drone concept stocks experienced a pre-market surge on September 15, with notable increases in share prices for several companies in the sector [1] Group 1: Company Performance - Archer Aviation saw a rise of over 7% in its stock price [1] - Joby Aviation's stock increased by more than 5% [1] - EHang Intelligent gained over 1% in its stock price [1]