Group 1 - The Shanghai Composite Index opened lower but rose later, with the Shanghai Private Enterprises 50 Index increasing by 0.05% to 1638.99 points and a trading volume of 44.874 billion yuan [1] - The Shanghai Private Enterprises 50 Index has decreased by 3.99% in the past month, increased by 1.63% over the last three months, and has risen by 3.91% year-to-date [1] - The index consists of 50 representative private listed companies in Shanghai, reflecting the overall performance of large private listed companies in the Shanghai market, with a base date of June 30, 2009, set at 1000.0 points [1] Group 2 - The top ten weighted companies in the Shanghai Private Enterprises 50 Index are: Heng Rui Medicine (8.41%), Cambricon (5.47%), SANY Heavy Industry (4.66%), Weir Shares (4.63%), Longi Green Energy (4.29%), Seres (3.8%), Fuyao Glass (3.76%), Industrial Fulian (3.3%), Zhaoyi Innovation (3.16%), and Kingsoft Office (2.93%) [1] - The index's holdings are entirely from the Shanghai Stock Exchange, with a 100% allocation [1] Group 3 - In terms of industry distribution, the index's sample companies are composed of 30.73% in Information Technology, 25.38% in Industrials, 13.56% in Consumer Discretionary, 12.79% in Health Care, 8.95% in Materials, 3.30% in Consumer Staples, 3.02% in Communication Services, 1.18% in Energy, and 1.09% in Financials [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [2]
上证民营企业50指数上涨0.05%,前十大权重包含隆基绿能等