中证诚通国企战略新兴产业指数下跌0.3%，前十大权重包含沪硅产业等

Group 1 - The core index, the China Securities Strategic Emerging Industries Index, experienced a decline of 0.3%, closing at 1429.57 points with a trading volume of 21.067 billion yuan [1] - Over the past month, the index has increased by 4.72%, by 2.27% over the last three months, and by 2.28% year-to-date [1] - The index is customized by China Chengtong Holdings Group and includes 50 state-owned enterprises with significant growth potential in the strategic emerging industries [1] Group 2 - The top ten weighted stocks in the index include BOE Technology Group (9.83%), Northern Rare Earth (9.42%), and Shengyi Technology (5.74%) [1] - The index's holdings are primarily listed on the Shanghai Stock Exchange (57.42%), followed by the Shenzhen Stock Exchange (42.40%) and the Beijing Stock Exchange (0.18%) [1] Group 3 - The industry composition of the index shows that Information Technology accounts for 40.85%, Industrial for 32.00%, and Materials for 19.19% [2] - The index samples are adjusted biannually, with changes implemented on the next trading day after the second Friday of June and December [2] - In special circumstances, the index may undergo temporary adjustments, such as when a sample company is delisted or undergoes mergers or acquisitions [2]