What Happened
Rare Advisory Halts All Departing US Flights Amid Safety Concerns
The Federal Aviation Administration (FAA) has issued a rare nationwide ground stop, halting all departing US flights due to a communication issue at air traffic control centers. The move, citing extraordinary circumstances and safety reasons, has sent airline stocks modestly lower. Transportation Secretary Sean Duffy stated that FAA technicians are investigating the issue, and the agency will provide updates as they become available. The incident has also sparked speculation about a potential cyber angle, with cybersecurity stocks gaining in extended trading. This development was first reported by Unknown Source.