Shenergy(600642) 搜狐财经·2025-03-28 14:37Core Viewpoint - The China Securities Index for Shanghai State-Owned Enterprises has shown a downward trend, with a decline of 2.66% over the past month, 6.86% over the past three months, and 6.09% year-to-date [2]. Group 1: Index Performance - The Shanghai State-Owned Enterprises Index opened lower and closed down by 0.57%, reaching 1326.05 points with a trading volume of 19.232 billion yuan [1]. - The index is designed to reflect the overall performance of listed companies that are state-controlled or significantly held by state-owned enterprises in Shanghai [2]. Group 2: Index Composition - The top ten weighted companies in the index include China Pacific Insurance (8.31%), Shanghai Airport (6.28%), Guotai Junan Securities (5.49%), Shanghai Bank (4.85%), and Shanghai Electric (3.52%) [2]. - The index is composed entirely of companies listed on the Shanghai Stock Exchange, with the financial sector representing 28.45% of the index, followed by industrial (23.76%) and consumer discretionary (12.54%) sectors [3]. Group 3: Index Adjustment and Management - The index samples are adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December [3]. - In special circumstances, the index may undergo temporary adjustments, such as removing companies that are delisted or handling mergers and acquisitions according to specific maintenance guidelines [3].