What did the U.S. Federal Reserve just do for the first time in three years? Take our business and investing news quiz for the week ending Sept. 18

d. Ms. von der Leyen called for Canada to become an associate member of the European Union as part of a new “alliance for the future.”

c. Mr. Trump said it was “laughable” and he will stop trading with Europe “on many things” if the deal goes through. In another sign of growing trade tensions, he also moved to further restrict Canadian companies from selling goods and services to the U.S. government.

c. The report, commissioned by the Alberta government, estimates that separating from Canada and assuming Ottawa’s responsibilities would cost the province up to $170-billion over the first five years and lead to significant economic disruption.

a. Finance Minister Josie Osborne chalked the increase up to factors including a math error that resulted in an earlier overestimation of natural-gas revenue. The additional $450-million brings the 2026 budget’s overall deficit to $13.8-billion for the fiscal year that began in April.

b. The Fed raised its benchmark interest rate for the first time since 2023 in an effort to quell stubbornly high inflation. It also signalled that its rate-setting committee expects to hike rates a second time later this year. The decision to raise rates drew fire from Mr. Trump, who has persistently demanded that the Fed cut borrowing costs.

b. Oh, great. OpenAI has disclosed six cases in which AI models acted in concerning ways. In one incident, an unreleased research model inserted “jailbreak-like instructions” into its own notes to disregard its normal constraints and told itself to be “freed from the roles and identities that bind other chatbots.”

d. The two governments are helping to fund a non-profit organization founded by Université de Montréal professor Yoshua Bengio that is developing safe artificial-intelligence systems.

c. Ms. Sweeney is provoking controversy with her online campaign promoting sports betting app Novig. Female athletes object to the commercial’s overtly sexual messaging. Ms. Sweeney poses almost nude in the ad, covered only by her hands, hair or various sports equipment.

a. Canada will open up its four largest airports to private investment, Mr. Carney said. The federal government is proposing that it will retain ownership of the underlying land and assets, but seek private investment through long-term agreements.

b. Reliance is a plumbing supplies company that depends on North America for the majority of its profit. It has been hard hit by U.S. tariffs.

a. Tims is teaming up with WestJet. Starting Nov. 30, the airline will begin offering a special in-flight brew as part of a partnership between the two brands that will later include a loyalty program collaboration. Dubbed the “flight roast,” Tim Hortons says the coffee features a unique blend specifically designed for passengers’ tastebuds at high altitudes.

d. The drones are part of DroneArt Show: Harry Potter, an open-air spectacle that celebrates 25 years of the boy wizard. On each night of the show, a swarm of 1,200 synchronized drones will take flight with choreography set to the soundtrack and dialogue from the eight Harry Potter films. The show will play in Edmonton, Montreal and Toronto.