According to data from securities firm Strategas, after Microsoft, Apple, and Nvidia's market capitalization exceeded 3 trillion yuan, the three companies have accounted for over 20% of the S&P 500 index. On a global scale, the influence of the US stock market is further expanding, with a market value weight of over 60%. Howard Silverblatt, Senior Index Analyst for the S&P Dow Jones Index, found that the three giants in the US stock market already account for 10.6% of global market value, which is unprecedented in history.