最新报道:U.S. AI infrastructure investments led by Microsoft, Google, Amazon, and Meta have surpassed consumer spending as the primary GDP growth driver, with $364B committed to data centers in 2025. Generative AI adoption is accelerating $6.7T in global investment needs by 2030, mirroring historical infrastructure booms. Analysts warn of sector concentration risks as capital-intensive AI development diverts resources from other industries, though it may stabilize the economy during macroeconomic weakness. The shift highlights systemic vulnerabilities from tech giants' dominance in AI infrastructure.