US stock market futures fell today as the S&P 500 extended a three-day slide. Nvidia and Oracle dropped again as investors questioned high AI valuations and rising data-center debt. Dow futures slipped 140 points or 0.

Stock index futures pointed to more losses at the open Tuesday with traders still cautious on the AI trade and more convinced the Fed will hold rates steady next month. S&P futures (SPX), Nasdaq 100 futures (US100:IND) and Dow futures (INDU) were all down about an hour ahead of the opening bell.

Stocks look set to extend their slide Friday amid investor jitters about the tech sector and the path of monetary policy.

Follow along for live updates on the Dow, S&P 500, Nasdaq and other markets.

Major stock indexes ended sharply lower to begin the week, which will see AI darling Nvidia and retail giants report quarterly results, as well as the release of the September jobs report delayed because of the U.

Stock index futures pointed to more losses at the open Tuesday with traders still cautious on the AI trade and more convinced the Fed will hold rates steady next month. S&P futures (SPX), Nasdaq 100 futures (US100:IND) and Dow futures (INDU) were down less than half a percent.

Alphabet stock was rising after it was disclosed that Berkshire Hathaway had purchased 17.8 million shares of the Google-parent.