MacKenzie Sigalos

Alphabet's stock is up 140% over the past year, with a cloud business that is growing faster than Amazon's and Microsoft's. But 18 months ago, the Google parent looked like it had spent a decade preparing for the artificial intelligence era, only to watch OpenAI define the market. Now, Wall Street is valuing Alphabet like one of the few companies positioned to profit from every layer of the generative AI boom. CNBC's MacKenzie Sigalos explains why Alphabet is now positioned to lead the AI race.

CNBC's MacKenzie Sigalos reports from Google's largest AI showcase of 2026.

CNBC's MacKenzie Sigalos reports on Google's latest artificial intelligence developments, including Gemini 3.5 Flash and its new personalized AI agent called Gemini Spark.

CNBC's MacKenzie Sigalos sits down to discuss Google's AI future with Koray Kavukcuoglu, chief AI architect at Google and chief technology officer at Google DeepMind, after the company unveiled its latest Gemini models.

CNBC's MacKenzie Sigalos reports on Google's I/O keynote, its latest AI innovations and more.

CNBC’s MacKenzie Sigalos reports on Uber’s growing interest in Delivery Hero after the ride-hailing giant disclosed a nearly 20% stake this week and said it may buy more if an attractive opportunity emerges.

CNBC’s MacKenzie Sigalos reports on fresh price target hikes from Melius and Bank of America, with analysts arguing that a Gemini-powered Siri could make Apple’s assistant more useful across the iPhone ecosystem, revive developer excitement and strengthen Apple’s position in the shift toward agentic AI.

Alphabet's Waymo is adding newly designed vehicles to its fleet of robotaxis. The new Ojai minivans are roomier, have a removable steering wheel and cost less to manufacture than prior Waymo models.

Key Points Alphabet's Waymo is adding newly designed vehicles to its fleet of robotaxis.

CNBC’s MacKenzie Sigalos reports on Waymo’s new lower-cost Ojai robotaxi, built on a China-manufactured vehicle shell and designed to help the Alphabet-own