Kimi开源新线性注意力架构，人工智能AIETF（515070）持仓股三六零盘中涨超7%

Group 1 - The A-share market experienced a decline, with the ChiNext index dropping by 1% and sectors such as Hainan, gaming, and solar thermal power showing gains, while precious metals and battery sectors faced losses [1] - The AI ETF (515070) fell by 1.53%, with notable stock movements including 37 Interactive Entertainment hitting the daily limit, 360 Technology rising by 7.1%, and Stone Technology dropping by 5.2% [1] - The Kimi Linear architecture, which surpasses the Transformer architecture in various scenarios, introduces the "Kimi Delta Attention" mechanism, achieving a 75% reduction in KV cache usage and a 6-fold increase in decoding throughput [1] Group 2 - CITIC Securities analysis indicates a shift in AI large model development from a focus on parameter scale to achieving higher "capability density" and better architectural efficiency, driven by algorithmic innovations inspired by brain science [2] - This transition is expected to lower the computational threshold, enabling small and medium enterprises to access AI technology at reduced costs, thus creating broader industrial applications and investment opportunities [2] - The AI ETF (515070) tracks the CS AI Theme Index (930713), focusing on companies providing technology and resources for AI, with top-weighted stocks including major domestic tech leaders [2]