Is the US in an AI Bubble?

In the United States, the AI sector has become one of the biggest drivers of the stock market. Yet for many Americans, life doesn't feel more prosperous.

Are we looking at an AI boom or an AI bubble? And if that bubble bursts, who will actually pay the price?

Today, the “AI Big 10” account for about 41% of the entire S&P 500. And data shows the richest 1% of Americans own roughly half of all corporate equities and mutual funds. When the stock market goes up, the biggest winners are not ordinary Americans, but the wealthiest at the very top.

Ordinary Americans bear the risks of the AI stock boom via their retirement accounts. Most US workers hold 401(k) plans whose capital flows into market-tracking index funds and ETFs. With AI firms now dominating these indexes, countless regular citizens indirectly own AI stocks and will foot the bill if the AI bubble bursts.

Meanwhile, China is offering a very different path for AI development, one built around lower costs and greater accessibility. By contrast, the US AI ecosystem operates on a high-cost, closed-development model. The emergence of competitive Chinese AI models is prompting investors to rethink whether today's sky-high valuations in the US AI sector can really be justified.

If expectations continue to run ahead of economic reality, today's AI boom in the US could become tomorrow's economic risk. If that bubble bursts, ordinary people are rarely the first to benefit, but they are often the last to escape the consequences.