Archer Aviation is trading 4.19% up now at $5.44, with the broader market rally the clearest explanation for the move.

  • Recovered from the September 16 close of $5.22.
  • No new company-specific announcement directly explaining the September 17 move was identified; recent coverage focused on the completed public-warrant expiration.
  • The S&P 500 is up 1.14% and Nasdaq Composite 1.62%, supporting risk appetite across equities.