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AI stocks soar but show bubble signs; investor shifts to fundamentals amid $700B+ AI spending spree

Market News
19 Jul 2026
Seeking Alpha
View Source
Neutral
AI stocks soar but show bubble signs; investor shifts to fundamentals amid $700B+ AI spending spree

AI-related stocks like Nvidia, Micron, and Sandisk have seen massive gains, with Sandisk rising over 5,700% in a year. However, current valuations and market concentration resemble late-stage bubbles, with the top 10 S&P 500 companies—mostly AI-focused—making up nearly 40% of the index. Big Tech plans to spend over $700 billion on AI infrastructure, raising concerns about overinvestment similar to the dot-com era. The investor is reallocating capital toward AI companies with strong fundamentals while reducing exposure to purely physical AI plays and monitoring capital expenditure trends closely.

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