U.S. stock futures fell Tuesday due to rising oil prices, triggered by fights in the Middle East, causing market pressure. The rise started worries of higher interest rates before next week’s inflation data. The S&P 500, Nasdaq, and Dow all began down, suggesting a cautious tone. AI-related stocks tumbled after a slide Monday, further sector weakness. Chip companies plummeted the greatest, weighing on tech indices. Investors now foresee the Federal Reserve to push rates up soon, raising Treasury yields, highlighting investor anxiety.