Group 1 - Elon Musk announced the development of a child-friendly AI application called "Baby Grok" by his company xAI, which aims to explore a new niche market and potentially impact xAI's valuation [1] - Meta's Chief Global Affairs Officer stated that the company will not sign the EU's voluntary AI Code of Conduct, which may affect Meta's compliance costs in the EU market and spark discussions on AI regulation transparency and copyright protection [2] - Japan's Rapidus has developed a prototype of a 2nm advanced chip, with plans to achieve mass production of cutting-edge semiconductors by 2027, which may increase attention on Japan's semiconductor sector and local alternatives [3] Group 2 - DuckDuckGo is introducing a new feature that allows users to filter out AI-generated images from search results, responding to user feedback about the quality of AI content, which could enhance user engagement and positively impact the company's business model [4] - OpenAI's reasoning model achieved a gold medal level in the International Mathematical Olympiad (IMO), demonstrating breakthroughs in complex reasoning and creative thinking, which may attract more attention to the AI sector [5]