The Dow Jones fell 0.5% at the opening, the S&P 500 fell 0.9%, and the Nasdaq fell 1.4%.

Tesla fell 4.2%, breaking below $400, with its year-to-date performance turning negative again. CoreWeave continued to drop by 3.8%, being pointed out by American media as the "core of the AI bubble". Walmart dropped 2.5%, with CEO Doug McMillon set to retire in January. Cidara Therapeutics soared 104.9%, as Merck agreed to acquire the company for $9.2 billion in cash. Warner Bros. Explorations rose 2.8%, with Paramount, Comcast, and Netflix planning to participate in the bidding for the company.