Sou Hu Cai Jing·2025-11-26 17:42Core Insights - Sergey Brin, co-founder of Google, has surpassed Oracle's Larry Ellison to become the third richest person globally, following fellow co-founder Larry Page, due to a rise in Alphabet's stock price driven by optimistic market expectations for its AI business [1][3] Company Performance - Brin's current net worth is approximately $245.3 billion, slightly above Ellison's $239.7 billion, while Page leads with about $264.4 billion [3] - In the last two trading days, Page and Brin's net worth increased by $18.3 billion and $16.9 billion, respectively, contributing to their rise on the billionaire list [3] - Alphabet's stock has surged 73% year-to-date, with a potential market capitalization nearing $4 trillion, which would make it the fourth company to reach this milestone after Apple, Microsoft, and Nvidia [3][4] Market Sentiment - Despite concerns from some investors about a potential tech stock valuation bubble due to the AI hype, Alphabet's stock has maintained its upward trend for several months [4] - Berkshire Hathaway, led by Warren Buffett, made a rare significant investment in technology stocks by purchasing nearly $5 billion in Alphabet shares, marking a notable shift in its investment strategy [4] - Alphabet recently launched its latest AI model, Gemini 3, which received public praise from notable figures in the tech industry, indicating strong confidence in its advancements [4]