AECOM shares declined 12.0% post-earnings, reflecting investor disappointment likely driven by emerging deceleration risks in key international transportation markets and lingering uncertainty related to the Middle East outlook, despite record backlog and raised profit guidance.
AECOM's first quarter of 2026 surpassed expectations, achieving record net service revenue, adjusted EBITDA, and backlog growth despite external challenges, including a U.S. federal government shutdown.