Archer Aviation Inc. (ACHR) saw its stock decline by 3.08% on December 31, 2024, closing at $9.75 after opening at $10.08. The stock experienced a volatile session, reaching a high of $10.42 before dipping to a low of $9.57. The trading volume was 28,087,479, which is 87.02% of the average daily volume. Despite recent positive news, including a partnership with Anduril Industries to develop a hybrid VTOL aircraft for military use and securing $430 million in equity capital, the stock faced downward pressure. Analysts have expressed concerns about potential delays in FAA certification and challenges in new market entries, which may have contributed to the cautious sentiment.