US stock futures near flat ahead of Trump-Xi call amid trade tensions and tech restrictions.

US stock futures fluctuated near flat Thursday as investors awaited a high-stakes phone call between President Trump and Chinese President Xi Jinping, amid escalating trade tensions including China's ban on its tech firms buying Nvidia chips and Nvidia's investment in Intel. Market indices showed mixed signals, with the S&P 500 tracking index SPY reflecting cautious sentiment. Focus remained on major companies including FedEx, MoneyHero, and Lennar amid broader economic uncertainty.