The S&P 500 has seen strong gains in recent years. After a difficult 2022, the S&P 500 rose 24% in 2023, 23% in 2024 and around 16% in 2025. The Nasdaq Composite, which has a strong focus on technology companies, performed even better, rising 43% in 2023, 29% in 2024 and 20% in 2025.
Because of growing excitement around artificial intelligence, both indexes continued to rise in 2026, mainly.
What would Warren Buffett say about the market today?
In late 2019, Berkshire Hathaway purchased 43,000 shares of the Vanguard S&P 500 ETF, also known by its ticker symbol VOO. The Vanguard S&P 500 ETF is one way to invest in many US companies without buying shares of each company separately. However, a small group of technology companies is driving much of the market’s growth. This means the stock market’s strong performance depends heavily on a limited number of large companies. If these companies face problems, the wider market could also suffer. Investors are now worried about a possible AI stock market bubble . The strong performance of these companies has helped lift the wider market. Their rising stock prices have contributed to the market’s gains. Buffett’s famous investment advice focuses on the difference between price and value. Berkshire Hathaway put Buffett’s investment philosophy into practice. The investment reflected the strategy of gaining broad exposure to the US stock market instead of relying on a single company’s performance. The current rise in AI stocks makes Warren Buffett’s long-term investment strategy important. Excitement around AI has pushed stock prices to very high levels. This has raised fears that the market could fall. However, it is difficult to predict exactly when a market crash will happen. The main lesson is that investing for the long term may be more useful than trying to predict the next AI stock crash. It spreads money across different companies and charges a low yearly fee. This makes it a good fit for Buffett’s long-term investment approach. However, stock prices can fall, and investors are not guaranteed to make money.
Because of excitement about the technology, the big question is whether AI is creating long-term business growth or whether investors are pushing stock prices too high. Because a sharp fall in just a few of these giant companies could put significant pressure on the S&P 500 during a downturn, however, their growing influence also creates a risk. Because their prices are going up, according to Motley Fool, this means investors should look at what an investment is actually worth instead of buying shares just.
This has raised concerns about a possible market correction if expectations fail to match actual business performance, according to Motley Fool. He said, “Price is what you pay; value is what you get. Buffett’s approach suggests that investors should focus on buying shares in different good companies and holding them for many years instead of trying to predict market bubbles, according to Motley Fool.
