3 years of AI Mania: How ChatGPT reordered the stock market

Three years ago, OpenAI released ChatGPT, setting off a mania on Wall Street for all things artificial intelligence. And the stock market hasn’t been the same since. Bets that the groundbreaking technology will reshape society have minted new market leaders, made an already concentrated S&P 500 Index even more top heavy, and left companies and industries considered at risk of being replaced by AI struggling to keep pace. Yes, there are lingering concerns that the frenzy of spending tied to AI is unsustainab ...