Alphabet Hits $4 Trillion: Joins Tech Elite | Nvidia, Apple, Microsoft

Stock price rises 1% on Apple‘s announcement of adoption of ‘Gemini‘… AI competitiveness re-evaluation begins in earnest

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On September 18, 2025, the Alphabet logo and a rising stock price graph are visible. Photo = Reuters/Yonhap News

Google’s parent company, Alphabet, has become the fourth company to join the $4 trillion market capitalization club.

Alphabet’s stock price rose 1% on the 12th (local time) after Apple announced that it would use Google’s ‘Gemini’ as the base technology for its artificial intelligence (AI) model and next-generation voice assistant Siri.

According to foreign media such as CNBC, Alphabet’s stock price closed trading at $331.86 on this day, bringing its market capitalization slightly above $4 trillion.

Accordingly, Alphabet joined the ranks of companies whose market capitalization exceeded $4 trillion, following Nvidia, Microsoft (MS), and Apple.

NVIDIA and Microsoft surpassed the $4 trillion mark for the first time in July of last year, and Apple surpassed the benchmark in October of last year. However, since then, the market capitalization of Apple and Microsoft has fallen below the $4 trillion level again.

Alphabet finished the year as one of the best-performing companies on Wall Street last year. Alphabet’s stock price soared 65% in 2025. This is the steepest rise since 2009, when stock prices doubled following the global financial crisis.

Last year, Google’s stock price showed a clear rise as it equipped key elements to restore AI competitiveness and overcame major regulatory barriers.

In November last year, Google unveiled its 7th generation tensor processing unit (TPU) ‘Ironwood’, its own AI chip that could emerge as an alternative to Nvidia products. The company then introduced the next-generation AI model ‘Gemini 3’ in December and received favorable reviews from the market.

Accordingly, major analysts are continuing to revise their investment opinions upward.

On the 8th, Cantor Fitzgerald analyst Deepak Mativanan raised his investment opinion on Alphabet stock in a report.

“The technical advantages of the Gemini Assistant app, based on Google’s ‘grounding’ assets, have not been fully appreciated over ChatGPT, which leverages Bing and partner integrations,” Mativanan said.

He continued, “Google has the strongest position across multiple layers of the AI technology stack and has built a deep competitive moat through long-term investments over a decade.”

Citi analysts also selected Google as the top Internet stock for the 2026 outlook in a recent report. They said that about 70% of Google Cloud customers are using AI products, and that “Google has all the chips, infrastructure capacity, and models as demand expands.”

Reporter Soo-jeong Lee soojunglee@g-enews.com

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