MacKenzie Sigalos

As Tim Cook gets set to step down as Apple CEO, he's offering a glimpse into what he may be doing as chairman.

Google is launching the Pixel 11 lineup weeks before Apple rolls out a rebuilt Siri powered by Gemini AI models.

Airbnb CEO Brian Chesky wasn’t sure AI would help the company, but a year later, he says it’s the reason growth is back.

Google’s cloud boom is testing the company's commitment to frontier AI as commercial returns take priority.

Google's AI divisions are getting reshuffled, the search giant announced on Wednesday.

Apple is announcing an iPhone lease option weeks after raising iPad and Mac prices due to the global memory shortage.

CNBC’s MacKenzie Sigalos reports on the companies’ deteriorating alliance, Uber’s renewed autonomous-vehicle push, and the fight over who controls the rider relationship.

CNBC's Seema Mody and MacKenzie Sigalos report on trends regarding AI's capex concerns.

CNBC's MacKenzie Sigalos reports on the growing rift between the robotaxi partners — and why a split could undermine Uber’s long-term autonomous driving strategy.

Shares of Alphabet and Tesla dipped after the companies reported massive spending increases in their quarterly earnings reports.