Julie Chang

NHTSA said it would look into how the autonomous driving system is intended to work within school zones.

And Apple posted blowout iPhone sales and record profits in the December quarter, beating Wall Street expectations.

iPhone sales of over $85 billion were up 23% from the prior year period.

Customers excited by the new iPhone 17 lineup upgraded their smartphones faster than usual.

Sales were particularly strong in China, where Apple's results have been uneven in recent years.

But one sore spot in the smartphone lineup was the iPhone Air, which hasn't sold well.

For a deeper dive into what's happening in tech, check out Friday's Tech News Briefing podcast.

Here's your morning TNB Tech Minute for Thursday, January 29th.

I'm Julie Chang for The Wall Street Journal.

Norway's more than $2 trillion oil wealth fund, one of the world's largest investors, paired its exposure to some U.S.

tech stocks last year.

New figures from the fund show it has trimmed its Nvidia stake to 1.26% by year-end from 1.32% in June.

It also paired holdings of Alphabet, Apple, and Microsoft.

but the fund raised its stakes in some tech companies like Amazon and Dutch chip machine company ASML.

The surge in U.S.

tech stocks has benefited the fund, but its CEO expressed uncertainty today about whether it's a bubble.

Tesla plans to convert the factory it uses to produce its Model S and X vehicles into a facility for its Optimus robots.

That's according to CEO Elon Musk during a call with analysts.

He said the company is winding down production of those vehicle models at its Fremont factory next quarter, and that it's part of its shift toward eventually making only autonomous vehicles.

Musk said Tesla is targeting production of a million units of Optimus a year at the factory over the long term.