关税扰动再起，机构称本次裁决对全球贸易活动或是件好事

Group 1 - A-shares experienced a decline on May 30, with major indices falling, particularly in sectors such as electronics, machinery, automotive, computing, and communications [1] - The cloud computing 50 ETF (516630) and the Xinchuang ETF (562570) faced a pullback, each dropping over 1.5% [1] - The Xinchuang ETF (562570) saw significant movements in its holdings, with companies like Huada Jiutian and Yuntian Lifei leading the decline, while firms such as Jingbeifang and Inspur Software showed gains [1] Group 2 - The Xinchuang ETF (562570) is closely related to the strategic restructuring announcements from Haiguang Information and Zhongke Shuguang, which are the 1st and 7th largest weighted stocks in the index, together accounting for over 10.2% of the total weight [2] - The cloud computing 50 ETF (516630) includes a high proportion of AI computing-related stocks, covering sectors such as optical modules, computing leasing (IDC), data storage, servers, and liquid cooling [2]