开源证券：AI+的高beta现阶段依然有望获得支撑 本轮行情为科技+周期双主线

Group 1 - The core viewpoint is that the current AI+ high beta still has support, but a more balanced investment approach is recommended, focusing on performance improvements in AI hardware and opportunities in AI application sectors with lower institutional positions [1] - The first year of the 14th Five-Year Plan should emphasize new themes transitioning to main lines, such as commercial aerospace and brain-computer interfaces [1] - The current market trend is characterized by a dual focus on technology and cycles, with price increase clues and anti-involution support making cyclical styles promising [1] Group 2 - The hardware cycle discussion highlights the concept of "stronger becoming stronger" and the potential for valuation digestion if ΔG shows signs of weakness, although no significant turning point for ΔG has been observed yet [1] - The 2000 US tech bubble serves as a reminder that during the bubble formation phase, many tech companies experienced rapid valuation increases disconnected from actual profitability, driven by blind expectations and emotions [2] - The "6+6" model illustrates the process from bubble to disillusionment, emphasizing that true market survivors possess technological leadership, clear profit paths, and sound capital management [2] Group 3 - The end of the mobile internet era in A-shares from 2013 to 2015 reflects a similar disconnect between valuation and profitability, with weak macro cycles leading to concentrated trading in high-demand sectors [3] - The acceleration of leveraged funds contributed to a lack of safety margins in valuations, and the sustainability of industry competition and business models became critical considerations post-bubble [3]