沸腾了，AI大爆发！

Group 1 - Major US tech giants including Nvidia, Microsoft, and Apple announced significant AI developments, contributing to a surge in their stock prices and market valuations [2][9][10] - Nvidia's market value increased by $231.8 billion (approximately 1,645.6 billion RMB) after launching new products and partnerships during its GTC event [9][13] - Apple became the third US company to surpass a market capitalization of $4 trillion (approximately 28.4 trillion RMB), with plans to integrate OLED displays into its MacBook Air and iPad [9][10] Group 2 - The US stock market indices reached new highs, with the Dow Jones up 0.34%, Nasdaq up 0.8%, and S&P 500 up 15.73 points [5][4] - Nvidia's stock rose by 4.98% to $201.03 per share, while Microsoft increased by 1.98% to $542.07, regaining a market value of $4 trillion [11][10] - Semiconductor stocks saw a rise, with Intel, Broadcom, and TSMC increasing by 5.03%, 3.02%, and 1.10% respectively, driven by Nvidia's performance [14][12] Group 3 - Tesla's stock rose by 1.80%, as the company considers internal candidates for CEO succession amid concerns over Elon Musk's potential departure [16][17] - The internet sector showed mixed results, with companies like Bilibili and JD Group rising by 5.37% and 0.96%, while Tencent Music and Miniso fell by 2.95% and 2.84% respectively [19][21] Group 4 - International gold prices have been adjusting for a week, with the Bank of Korea planning to increase its gold reserves from a long-term perspective [3][24]