--- title: "S&P 500 Hits Record High Amid AI Stock Surge" type: "News" locale: "en" url: "https://longbridge.com/en/news/288292827.md" description: "The S&P 500 hit a record high in late May, driven by AI and semiconductor stocks like Micron and AMD. However, this narrow leadership mirrors the 2000 dot-com bubble, with only 20 components at all-time highs. Bank of America strategist Michael Hartnett warns of accumulating risks due to market divergence and tight monetary policy, advising investors to shift toward defensive assets as a potential turning point approaches." datetime: "2026-06-01T14:33:56.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/288292827.md) - [en](https://longbridge.com/en/news/288292827.md) - [zh-HK](https://longbridge.com/zh-HK/news/288292827.md) --- # S&P 500 Hits Record High Amid AI Stock Surge The S&P 500 index reached a record closing high on the last trading day of May, with only a few component stocks achieving new highs, primarily in the artificial intelligence sector. According to Odaily, this has raised concerns about structural imbalances in the market. Analysts note that while the index continues to hit new highs, the gains are concentrated in a few major tech stocks, with market divergence nearing historically extreme levels, potentially indicating accumulating risks. Data shows that last Friday, only 20 S&P 500 components reached all-time highs, with just seven unrelated to artificial intelligence. Michael Hartnett, a strategist at Bank of America, highlighted the similarity of this trend to the peak of the internet bubble in 2000, when only about 20 stocks hit new highs. Hartnett warned in his latest report that speculative sentiment persists in the market, but with high interest rates and global central bank tightening, a market turning point may be approaching. He advised investors to gradually shift towards defensive asset allocations. The rise in U.S. stocks in May was mainly driven by the semiconductor sector, with Micron Technology up 87.8%, Advanced Micro Devices up 45.6%, Samsung up 43%, and SK Hynix up 81%, contributing to a 25% cumulative increase in the Nasdaq index from April to May, marking its best two-month performance in over two decades. ### Related Stocks - [AMD.US](https://longbridge.com/en/quote/AMD.US.md) - [MU.US](https://longbridge.com/en/quote/MU.US.md) - [.SPX.US](https://longbridge.com/en/quote/.SPX.US.md) - [BAC.US](https://longbridge.com/en/quote/BAC.US.md) - [SSNGY.US](https://longbridge.com/en/quote/SSNGY.US.md) - [.IXIC.US](https://longbridge.com/en/quote/.IXIC.US.md) - [BAC-Q.US](https://longbridge.com/en/quote/BAC-Q.US.md) - [BML-L.US](https://longbridge.com/en/quote/BML-L.US.md) - [BAC-L.US](https://longbridge.com/en/quote/BAC-L.US.md) - [BAC-K.US](https://longbridge.com/en/quote/BAC-K.US.md) - [BML-H.US](https://longbridge.com/en/quote/BML-H.US.md) - [BAC-N.US](https://longbridge.com/en/quote/BAC-N.US.md) - [BAC-E.US](https://longbridge.com/en/quote/BAC-E.US.md) - [MER-K.US](https://longbridge.com/en/quote/MER-K.US.md) - [BAC-O.US](https://longbridge.com/en/quote/BAC-O.US.md) - [BML-G.US](https://longbridge.com/en/quote/BML-G.US.md) - [BAC-M.US](https://longbridge.com/en/quote/BAC-M.US.md) - [BAC-B.US](https://longbridge.com/en/quote/BAC-B.US.md) - [BML-J.US](https://longbridge.com/en/quote/BML-J.US.md) - [BAC-S.US](https://longbridge.com/en/quote/BAC-S.US.md) - [BAC-P.US](https://longbridge.com/en/quote/BAC-P.US.md) - [8648.JP](https://longbridge.com/en/quote/8648.JP.md) - [SMSN.UK](https://longbridge.com/en/quote/SMSN.UK.md) ## Related News & Research - [What's Going On With Micron Stock Monday?](https://longbridge.com/en/news/288293365.md) - [Prediction: This Artificial Intelligence (AI) Chip Stock Will Soar After Micron's Earnings](https://longbridge.com/en/news/288608553.md) - [Micron or Amazon: Billionaire Ken Griffin Pulls the Trigger on One Top AI Chip Stock](https://longbridge.com/en/news/288308678.md) - [If You Had Bought $5,000 of This Tech Stock 5 Years Ago, Here's What You'd Have Today](https://longbridge.com/en/news/288283585.md) - [Analysts see Nvidia as better value despite AMD rally](https://longbridge.com/en/news/288481458.md)