U.S. stock futures fell Tuesday due to surging oil prices, driven by fights in the Middle East, creating market pressure. The jump started fears of higher interest rates prior to next week’s inflation data. The S&P 500, Nasdaq, and Dow all began down, hinting at a cautious tone. AI-related stocks sank after a slide Monday, adding sector weakness. Chip companies plummeted the most, pressuring tech indices. Investors now expect the Federal Reserve to push rates up soon, lifting Treasury yields, highlighting investor anxiety.