Longi(SH:601012) Jin Rong Jie·2025-03-31 16:34Core Viewpoint - The overall performance of the Zhongzheng Precision Manufacturing Index has shown a decline in recent months, with a slight increase over the past month, indicating a mixed outlook for the precision manufacturing sector in China [2][3]. Group 1: Index Performance - The Shanghai Composite Index decreased by 0.46%, while the Zhongzheng Precision Manufacturing Index fell by 1.42%, closing at 2832.66 points with a trading volume of 100.987 billion yuan [1]. - Over the past month, the Zhongzheng Precision Manufacturing Index has increased by 0.05%, but it has decreased by 4.01% over the last three months and by 2.60% year-to-date [2]. Group 2: Index Composition - The Zhongzheng Precision Manufacturing Index includes companies from the industrial and communication equipment sectors, reflecting the overall performance of listed companies in the precision manufacturing field [2]. - The top ten weighted companies in the index are: CATL (8.04%), Beijing-Shanghai High-Speed Railway (2.96%), Huichuan Technology (2.64%), SANY Heavy Industry (2.04%), ZTE Corporation (1.99%), China State Construction (1.97%), SF Express (1.87%), Sungrow Power Supply (1.81%), LONGi Green Energy (1.73%), and COSCO Shipping Holdings (1.67%) [2]. - The market share of the index's holdings is distributed as follows: Shanghai Stock Exchange 54.32%, Shenzhen Stock Exchange 45.55%, and Beijing Stock Exchange 0.13% [2]. Group 3: Industry Breakdown - The industry composition of the Zhongzheng Precision Manufacturing Index shows that 91.27% of the holdings are in the industrial sector, while 8.73% are in communication services [3]. - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [3].