Shares of companies across the artificial intelligence landscape rose in extended trading on Wednesday after Nvidia Corp. reported results that eased concerns about the durability of the AI boom.

The chipmaker at the heart of the AI trade gave a strong revenue forecast, a sign that demand for its products remains healthy. Investors have been fretting that the massive spending on semiconductors and other AI equipment isn’t sustainable.

Big tech stocks gained. Nvidia rose 6%; Palantir rose 5%; Oracle rose 3%; Alphabet and Tesla rose 1%.

chip stocks jumped. Navitas Semiconductor rose 14%; Credo Technology rose 9%; Super Micro Computer rose 6%; AMD, Seagate Technology, and Western Digital rose 5%; Micron rose 4%; TSMC rose 3%.

Nvidia-related stocks jumped. Cerence rose 32%; Applied Digital rose 15%; CoreWeave rose 10%.