Investors are questioning if the soaring stock market driven by artificial intelligence is a financial bubble waiting to burst. The S&P 500 rose 16% in 2025, with tech giants like Nvidia, Alphabet, Broadcom, and Microsoft leading the charge. Concerns arise as Big Tech plans to spend billions on AI infrastructure, with OpenAI committing over $1 trillion. History shows that over-investment is common during technological advancements, which may be the case now with AI. The S&P 500’s concentration in tech stocks is at its highest since the 1960s, raising concerns about potential market value loss in an AI selloff.

Comparing the AI-driven rally to past bubbles, the S&P 500 has risen 79% in its third year, prompting caution but also warning against fleeing the market prematurely. Fundamentals play a crucial role in identifying bubbles, with lower debt-to-earnings ratios in today’s AI giants compared to the dot-com era. Valuations are high, but the pace of increase is slower than during the dot-com era, providing some reassurance. Scrutiny over the potential AI bubble is increasing, with investor scrutiny seen as a means to prevent extreme market moves.

Read more at Yahoo Finance: Is the AI Boom a Bubble Waiting to Pop? Here’s What History Says