深夜！全线大跌，发生了什么？

Core Viewpoint - Global risk assets experienced a significant downturn, with major stock indices and cryptocurrencies facing sharp declines, reflecting heightened investor caution and concerns over high valuations in the tech sector [2][4][5]. Market Performance - U.S. stock indices opened lower, with the Dow Jones down 0.72%, S&P 500 down 1.13%, and Nasdaq down 1.59% [4]. - Major tech stocks, including Oracle, Tesla, and Intel, fell over 3%, while Google, Nvidia, and Microsoft dropped more than 2% [4]. - The "fear index" VIX surged over 19%, indicating increased market anxiety [2]. AI Sector Concerns - The decline in Palantir's stock, despite reporting record revenue of $1.18 billion (up 63% year-on-year), raised concerns about overvaluation in the AI sector [4][5]. - Analysts noted that the AI-driven rally has pushed the S&P 500's forward P/E ratio above 23, nearing the highest level since 2000 [5]. Global Market Impact - European markets also declined, with Germany's DAX30 down over 1% and France's CAC40 down 0.93% [5]. - Asian markets followed suit, with significant drops in indices such as the Seoul Composite (-2.4%) and Nikkei 225 (-1.7%) [6]. Nvidia's New Project - Nvidia signed a €1 billion (approximately 82 million RMB) agreement with Deutsche Telekom to build a new AI data center in Germany, aimed at enhancing AI capabilities in Europe [8][9]. - The project is expected to increase Germany's AI computing power by about 50% and will utilize up to 10,000 Nvidia Blackwell GPUs [9].