A look at ChatGPT's impact on US stocks three years after its release: AI mania revived Big Tech, making an already concentrated S&P 500 even more top heavy (Bloomberg)

Bloomberg: A look at ChatGPT's impact on US stocks three years after its release: AI mania revived Big Tech, making an already concentrated S&P 500 even more top heavy  —  Three years ago, OpenAI released ChatGPT, setting off a mania on Wall Street for all things artificial intelligence.

Nov 29, 2025 - 09:00
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A look at ChatGPT's impact on US stocks three years after its release: AI mania revived Big Tech, making an already concentrated S&P 500 even more top heavy (Bloomberg)

Bloomberg:
A look at ChatGPT's impact on US stocks three years after its release: AI mania revived Big Tech, making an already concentrated S&P 500 even more top heavy  —  Three years ago, OpenAI released ChatGPT, setting off a mania on Wall Street for all things artificial intelligence.

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