US stock futures fell Monday as concerns about artificial intelligence development safety grew ahead of the Federal Reserve (U.S. central bank) policy meeting. Anthropic CEO Dario Amodei urged companies to slow development of their most advanced models because of safety risks and said Anthropic would add safeguards. OpenAI CEO Sam Altman said the ChatGPT developer does not plan to go public this year. Markets are pricing in an approximately 86% probability of a Federal Reserve rate hike on Wednesday, while higher energy prices add to inflationary pressure. Oil prices climbed after Saudi Arabia shut a key pipeline used to bypass the Strait of Hormuz following drone attacks. The Dow fell 1.57% last week, while the S&P 500 and Nasdaq Composite declined 0.8% and 0.66%, respectively.