科技股突然全线大跌！发生了什么？

Core Viewpoint - The A-share market experienced a slight adjustment, with the Shanghai Composite Index closing near flat, while the Shenzhen Component Index and the ChiNext Index fell by 0.92% and 1.74%, respectively [2]. Market Performance - The cyclical sectors showed strength, with resource stocks, real estate infrastructure, consumer goods, and chemical industries performing actively. In contrast, AI hardware and application sectors faced significant declines, drawing market attention [3]. - Specifically, leading stocks in AI hardware, namely Zhongji Xuchuang and Xinyi Sheng, saw substantial drops, with both stocks falling over 10% at one point during trading. By the close, Zhongji Xuchuang and Xinyi Sheng had decreased by 5.24% and 5.66%, respectively [3][6]. Reasons for Decline in AI Hardware Stocks - Concerns arose regarding the impact of CPO (Co-Packaged Optics) technology on the optical module industry, as its deployment timeline became clearer. CPO technology integrates network switching chips and optical modules, enhancing transmission speed while reducing size and power consumption [6]. - As leading stocks in the optical module sector, Zhongji Xuchuang and Xinyi Sheng are perceived to have limited growth expectations, contributing to the market's bearish sentiment [6]. - Historical trends indicate that stocks becoming the top holdings in mutual funds often experience subsequent declines. Zhongji Xuchuang recently replaced Ningde Times as the top holding, coinciding with a drop of 5.8% the following day [7]. - The decline in U.S. stocks such as Nvidia and Broadcom also negatively influenced sentiment towards A-share computing hardware stocks [7]. AI Application Sector Performance - The AI application sector also faced significant declines, with various concepts like Sora, Zhipu AI, and multimodal AI experiencing substantial drops. Notable stocks such as Zhi De Mai, Tianlong Group, and BlueFocus saw declines of 11.56%, 10.95%, and 10.02%, respectively [8][9]. - Concerns about the potential impact of AI on software companies have been a focal point in recent discussions, with fears that AI could replace core business functions in software firms [10].