光模块回调蓄力，通信ETF（515880）跌超3.5%，资金逢低买入超20亿元

Group 1 - The core viewpoint of the article highlights the ongoing pullback in optical modules and the decline of the communication ETF (515880) by over 3.5%, despite significant capital inflows of over 2.4 billion yuan in the past 10 days, bringing its total size to over 11.7 billion yuan, making it the largest in its category [1] - Tianfeng Securities expresses a strong outlook on investment opportunities within the core segments of the computing power industry chain, noting that overseas companies continue to show high demand related to AI, with their financial reports reflecting robust fundamentals [1] - The domestic market is expected to benefit from the continuous development of local computing power, with major companies like Alibaba and ByteDance investing heavily in AI, maintaining a positive outlook on the AI industry and the AIDC industry chain [1] Group 2 - Open Source Securities indicates that with the introduction of the "14th Five-Year Plan" recommendations, the focus on technological self-sufficiency is expected to make the domestic computing power sector a market focal point [1] - The communication ETF (515880) has nearly 50% allocation in optical modules, and the combined allocation of "optical modules + servers + optical fibers + copper connections" exceeds 75%, suggesting a strategic opportunity for investors interested in the core computing power engine [1]