巴菲特首次建仓谷歌，AI应用爆发前夜已至？

Core Insights - Google plans to invest $40 billion in building three new data center campuses in Texas by 2027, part of a larger $90 billion capital expenditure expected by 2025, highlighting the intensifying AI infrastructure arms race among tech giants [3][4][7] - Berkshire Hathaway has significantly increased its stake in Google, purchasing $4.3 billion worth of shares, which has appreciated to approximately $5.1 billion, indicating a shift towards valuing hard tech investments [4][6] - The overall market sentiment is optimistic, with Google’s stock rising 46% this year, as major investors focus on long-term value rather than short-term volatility [7][10] Investment Implications - The surge in investments from tech giants like Google, Amazon, and Microsoft, totaling nearly $400 billion, is expected to drive significant growth in the AI infrastructure market, projected to expand tenfold from 2023 to 2027 [10][12] - AI-themed ETFs are gaining traction due to the increased attractiveness of AI-related investments, with notable inflows into funds like the Sci-Tech AI ETF and the ChiNext AI ETF [8][10] - The capital expenditure by major tech firms is anticipated to act as a growth engine for the U.S. economy, contributing to GDP growth and enhancing liquidity and return expectations for AI-focused investments [10][12]