Google’s I/O primer: Alphabet’s AI showcase is its chance to wow Wall Street

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.

CNBC’s MacKenzie Sigalos breaks down Google’s AI comeback.