negligible impact on economic growth in 2025. An MRB analysis found accounting for imports, AI-related investments only contributed between 20% and 25% of 2025 real GDP growth.
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Have AI-related companies driven stock gains since the launch of ChatGPT?
Yes.
Though it is difficult to quantify the exact degree to which AI-related stocks have contributed to stock gains, analyses have found it is a key driver.
A September 2025 J.P. Morgan report noted that since the launch of ChatGPT (November 2022), AI-related stocks had been responsible for 75% of S&P 500 returns and 80% of…