President Donald Trump said Canadian planemaker Bombardier cannot sell in the U.S. unless it moves production to America, as Canada's reciprocal tariffs took effect. U.S. stock futures fell in a shortened trading week after a mixed week on Wall Street, while renewed Middle East conflict pushed oil prices to multiweek highs. Gasoline averaged $4.15 per gallon nationally on Labor Day, the first time the holiday average exceeded $4, according to AAA, surpassing the previous record set in 2012. An Amazon cargo jet overran the runway at Miami International Airport, killing at least five people and injuring another five. National Transportation Safety Board chair Jennifer Homendy described the scene as "utter devastation" with "debris everywhere"; investigators recovered the flight data and cockpit voice recorders and planned to remain on site for at least one week. Anthropic, OpenAI, Meta and Google released artificial-intelligence model updates last week, while rising demand for rural land for data centers has generated local opposition. The AI boom is also expanding the role of the chief information security officer (CISO), who now oversees security for internal AI agents and protection against critical-data leaks as companies respond to growing cybersecurity threats.