U.S. stock futures fell Tuesday due to surging oil prices, driven by fights in the Middle East, adding market pressure. The spike started concerns of higher interest rates before next week’s inflation data. The S&P 500, Nasdaq, and Dow all opened soft, hinting at a cautious tone. AI-related stocks tumbled after another slide Monday, further sector weakness. Chip companies sank the most, affecting tech indices. Investors now anticipate the Federal Reserve to push rates up soon, raising Treasury yields, highlighting investor anxiety.