Stock market today: S&P 500, Nasdaq futures slide as AI doubts swirl, precious metals whipsaw

Market Overview - US stock futures declined, led by a sell-off in gold and silver, with tech stocks particularly affected due to concerns over AI investments and Federal Reserve policies [1][2] - Nasdaq 100 futures fell by 0.6%, S&P 500 futures dropped about 0.3%, while Dow Jones Industrial Average futures remained near flat [2] Technology Sector - Nvidia's CEO downplayed the company's $100 billion investment pledge in OpenAI, following reports that the plan is currently on hold, contributing to uncertainty in the AI sector [3] - Upcoming earnings reports from major tech companies such as Amazon, Alphabet, and Advanced Micro Devices are anticipated, with Disney and Palantir also reporting [4] Precious Metals and Cryptocurrency - Precious metals like gold and silver experienced significant volatility, with silver recording its largest single-day drop on record recently [5] - Bitcoin fell below $80,000 for the first time since April, trading below $78,000, while the dollar strengthened against major currencies [6] Federal Reserve and Economic Indicators - President Trump's nomination of Kevin Warsh to lead the Federal Reserve may influence the Fed's $6.6 trillion balance sheet and interest rate speculation, with traders expecting two rate cuts by year-end [7] - Manufacturing activity updates are expected to be released, setting the stage for the monthly jobs report, with economists predicting an addition of 65,000 jobs and an unemployment rate of 4.4% [8]