Microsoft, Nvidia, and Apple have a combined market capitalisation surpassing that of China's stock market, totaling $9.2 trillion. The tech giants, fueled by investor demand for AI exposure, have seen record highs in their stock prices. Nvidia recently reached a market cap of $3 trillion, with Microsoft investing in OpenAI and Apple showing signs of improvement despite recent challenges. Investors are drawn to the companies' competitive positions but caution is advised due to high valuations.
