Core Viewpoint - Google's stock price decline on February 11 was primarily due to market reactions to changes in the competitive landscape of AI infrastructure, particularly following the release of its Gemini3 language model and TPU technology, which are perceived to surpass OpenAI's GPT model [1] Group 1: Company Developments - Google's Gemini3 language model and self-developed TPU have been recognized by industry experts as having superior performance compared to OpenAI's GPT model [1] - This advancement has raised concerns about Nvidia's long-standing monopoly in the GPU market, prompting Nvidia to publicly assert its technological leadership [1] Group 2: Market Reactions - The shift in competitive dynamics has led to a rapid revision of market expectations for related companies, resulting in a decline in stock prices for Nvidia and other companies associated with the "OpenAI chain" [1] - Google's stock closed at $311.24 on February 11, reflecting a single-day drop of 2.32% [2]