Alphabet briefly reached a $4 trillion market valuation, thanks to its AI focus. Next-gen Apple AI models will be based on Google’s Gemini. Alphabet’s class-A shares hit a record high before dropping. Samsung plans to double AI-powered devices with Gemini. Alphabet surpassed Apple in market cap, becoming the second most valuable company.

Alphabet’s stock surged 65% in 2025, outperforming peers. Investor sentiment shifted due to strong growth in its cloud unit. The new Gemini 3 model received positive reviews, pressuring OpenAI. Google Cloud revenue jumped 34% in Q3. Renting out AI chips to outside customers fueled growth.

Meta Platforms in talks to use Alphabet’s chips in data centers from 2027. Alphabet’s advertising business remains stable despite competition. CEO Phil Blancato praises Alphabet’s innovation and growth. Warren Buffett’s Berkshire Hathaway made a rare tech investment in Alphabet. Alphabet’s milestones mark a significant change in its fortunes.

Read more at Yahoo Finance: Alphabet hits $4 trillion valuation as AI refocus lifts sentiment