I am bullish on EHang Holdings Limited (NASDAQ: EH ), driven by the regulatory approval of the Air Operator Certificate (AOC). This is an important milestone for EHang because it opens China’s commercial human-carrying low-altitude travel. OtherFirst Principles Partners is an equity research analyst specializing in technology, innovation, and sustainability investment. My unique approach, "First Principles," involves breaking down complex problems to their most basic elements in terms of financial and techn ...