According to StockTwits, U.S. stock futures retreated overnight late Monday after jumping to records on investor optimism driven by a U.S.-Iran peace deal and SpaceX's continued rally. S&P 500 futures fell about 0.12%, while Nasdaq 100 futures traded 0.24% lower as of 9:25 p.m. ET.
Earlier Monday, markets surged on the breakthrough U.S.-Iran agreement to end Middle East hostilities and reopen the Strait of Hormuz, easing global energy supply concerns. President Trump confirmed the deal on Truth Social, with official signing expected in Switzerland on June 19. SpaceX shares jumped 20% at close, pushing its market capitalization past $2.52 trillion. Markets will focus on the Federal Reserve's first meeting under new Chair Kevin Warsh on Wednesday, with participants expecting rates to remain steady.