On July 20, Archer Aviation rose 8.78% in regular trading, trading at $4.845/share, with turnover of $33.15 million.

On the news front, Anduril Industries and Archer Aviation jointly unveiled a co-developed autonomous vertical takeoff and landing (VTOL) platform designed to serve both commercial and defense applications. The collaboration integrates the two companies' expertise in autonomous systems and advanced air mobility, aiming to create a versatile, scalable aircraft solution. The partnership is expected to broaden Archer's revenue prospects in the defense sector, a significant expansion beyond its core urban air mobility business.

Within the Aerospace & Defense sector, the broader group showed modest gains. Among individual stocks, GE Aerospace up 1.41%, RTX Corp up 1.32%, Rocket Lab USA up 0.46%, Boeing up 0.38%, Honeywell Aerospace down 1.58%. Archer's move significantly outpaced sector peers, reflecting market enthusiasm for the defense-oriented partnership.

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