U.S. stock markets are experiencing a significant downturn, with futures for the Dow, S&P 500, and Nasdaq all pointing sharply lower after a recent sell-off. Concerns over a potential lack of rate cuts from the Federal Reserve have led to investor unease, particularly within the tech sector, which has seen major declines in stocks like Nvidia and Tesla. Reports indicate that the market logged its worst day in a month due to rising doubts regarding interest rates and fears surrounding an AI stock bubble. Overall, approximately $1 trillion was wiped off from the market in just one day, with investors grappling with the implications of frozen economic data and the possibility of no rate cuts in December. As the sell-off continues, traders remain wary of the future direction of the market.