US stock futures fluctuated as investors reassessed expectations of a Federal Reserve rate cut in December, with sentiment turning cautious ahead of several key economic data releases. Nasdaq and S&P 500 futures moved in a narrow range, reflecting market hesitation amid persistent inflation concerns and mixed labour-market signals. Analysts expect volatility to rise as traders await jobless claims, inflation prints and sector-specific earnings updates later this week. The uncertainty has shifted positioning strategies across tech and cyclical sectors as investors weigh policy timing and macro risk factors.