Nvidia and other Big Tech stocks lift Wall Street and make up for a drop by Apple

What happened: A rebound in several influential Big Tech stocks lifted the U.S. market despite a fall for Apple and mixed trading elsewhere on Wall Street. Key numbers: S&P 500 rose 0.6%, Dow down 87 points or 0.2%, Nasdaq up 1.1%. Nvidia rose 2.9%, Broadcom 3.8%, AMD 5.5%, Micron 3%. Apple fell 2.7%. Palantir fell 1.5%. 10-year Treasury yield rose to 4.93% from 4.91%. Why it matters: The market has been shaky as AI-related stocks swung on worries prices rose too high, and Apple said higher memory chip costs mean less profit per dollar of revenue in the final three months of the year.

A rebound in several influential Big Tech stocks lifted the U.S. market despite a fall for Apple and mixed trading elsewhere on Wall Street.

The market has been shaky as AI-related stocks swung on worries prices rose too high, and Apple said higher memory chip costs mean less profit per dollar of revenue in the final three months of the year.