Alphabet, the parent company of Google, reached a massive $4-trillion market valuation on Monday. This surge underscores a dramatic shift in investor sentiment as the tech giant’s aggressive AI strategy quells earlier doubts, positioning it as a dominant force in the global AI race.
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On Wednesday, Alphabet officially surpassed Apple in market capitalization for the first time since 2019, making it the second-most valuable company in the world, trailing only Nvidia.
Alphabet’s stock performance has been stellar, surging roughly 65% in 2025 and gaining another 6% in early 2026. Several key factors are driving this momentum:
- Gemini 3 Excellence: The new Gemini 3 model has received critical acclaim, reportedly putting pressure on OpenAI’s GPT-5. Samsung Electronics also plans to double the number of mobile devices featuring Gemini-powered AI this year.
- Cloud Dominance: Formerly an overlooked unit, Google Cloud’s revenue jumped 34% in Q3, with a backlog of unrecognized contracts reaching $155 billion.
- Internal AI Chips: Alphabet has begun renting out its proprietary AI chips—previously reserved for internal use—to outside customers. Reports indicate that Meta Platforms is in talks to spend billions on these chips for its data centres starting in 2027.
Beyond technology, Alphabet has benefited from significant corporate and legal developments:
- Berkshire Hathaway Investment: The company drew a rare tech investment from Warren Buffett’s Berkshire Hathaway, signalling high institutional confidence.
- Legal Victory: In September, a U.S. judge ruled against breaking up the company, allowing Alphabet to retain control over its Chrome browser and Android operating system.
- Resilient Advertising: Despite economic uncertainty, Alphabet’s core advertising business remains steady, providing a reliable foundation for its high-stakes AI investments.
Alphabet is now the fourth company in history to reach the $4-trillion mark, joining the elite ranks of Nvidia, Microsoft, and Apple.
