The S&P 500 and the Nasdaq ended higher, while the Dow closed lower after a choppy trading session on Thursday, as investors sifted through earnings reports while awaiting Amazon's results after the bell and a key jobs report on Friday.

Investors are monitoring its artificial intelligence investments, after Chinese startup DeepSeek's cheaper AI model sharpened investor scrutiny of the billions U.S. tech companies have spent developing the technology.

U.S. equity futures edged lower in early Friday trading, while Treasury yields and the dollar held steady, as investors braced for a critical January jobs report that could define market direction over the coming weeks.