Almost half of all S&P 500 companies have a medium-to-high exposure to AI, according to estimates from Citigroup strategists, via Reuters. Collectively, those companies represent over $20 trillion in market capitalization, much of it driven by the recent excitement and rush to invest in AI as the next big thing. But there are more than whispers of a bubble forming, and with such great investment from the top companies, any sign of that bubble bursting could have catastrophic effects on those investors…








