Is the stock market in an AI bubble? A recent warning sign suggests yes

The S&P 500 closed out May on a record high, amid a historic boom driven by the Magnificent Seven stocks. How long can it last?

[Source Images: OpenAI, Claude, Grok, Perplexity, and Gemini]

Are we in an AI bubble, similar to the dot-com bubble that burst in the early 2000s? Stock market analysts have been sounding the warning bells for the last year, but those warnings just got louder—and some are answering with a resounding yes.

One thing that’s got market watchers worried: While the S&P 500 closed out May on a record high (largely driven by semiconductors), only a few of those 500 companies—just 20 to be exact—hit their own all-time highs.........

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