Core Viewpoint - The Shanghai Small and Medium-sized Enterprises Index (沪财中小, 000091) has shown a decline of 0.53% recently, indicating a challenging market environment for small-cap stocks in China [1][2]. Group 1: Index Performance - The Shanghai Small and Medium-sized Enterprises Index has decreased by 1.55% over the past month and 4.77% over the last three months, while it has increased by 6.63% year-to-date [2]. - The index is designed to select the 200 listed companies with the fastest wealth growth in the Shanghai market, with a base date of December 31, 2004, and a base point of 1000.0 [2]. Group 2: Index Holdings - The top ten weighted stocks in the index include: - Bi Yi Co., Ltd. (0.88%) - Yongxi Electronics (0.87%) - Weicai Technology (0.86%) - Huaxin Co., Ltd. (0.84%) - Jinrui Mining (0.82%) - Xianheng International (0.82%) - Chunfeng Power (0.80%) - New Huangpu (0.77%) - Zhongman Petroleum (0.77%) - Maijia Xincai (0.77%) [2]. Group 3: Sector Allocation - The index's sector allocation is as follows: - Industrial: 27.44% - Consumer Discretionary: 20.05% - Materials: 15.54% - Information Technology: 11.82% - Healthcare: 6.14% - Utilities: 4.55% - Consumer Staples: 4.37% - Communication Services: 3.64% - Energy: 2.36% - Real Estate: 2.33% - Financials: 1.76% [3]. Group 4: Index Adjustment Mechanism - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December, with a sample adjustment ratio not exceeding 15% [3]. - Weight factors are adjusted in accordance with sample changes, and special adjustments may occur under certain circumstances, such as delisting or corporate actions like mergers [3].

从指数持仓来看，上证财富中小盘指数十大权重分别为：福达股份（1.41%）、有方科技（1.29%）、 迈信林（1.06%）、豪能股份（0.92%）、晶华新材（0.92%）、新坐标（0.88%）、春风动力 （0.88%）、华培动力（0.88%）、海南华铁（0.86%）、浙江自然（0.83%）。 金融界6月9日消息，上证指数高开高走，上证财富中小盘指数 (沪财中小，000091)上涨1.04%，报 11965.17点，成交额338.75亿元。 数据统计显示，上证财富中小盘指数近一个月上涨2.05%，近三个月下跌0.26%，年至今上涨8.79%。 据了解，上证财富中小盘指数旨在沪市中小市值上市公司中，选取财富增长速度最快的200家上市公司 证券作为指数样本，并且样本权重配置与其财富增长速度的大小相适应。该指数以2004年12月31日为基 日，以1000.0点为基点。 从上证财富中小盘指数持仓的市场板块来看，上海证券交易所占比100.00%。 从上证财富中小盘指数持仓样本的行业来看，工业占比27.08%、可选消费占比25.03%、原材料占比 13.96%、信息技术占比6.91%、医药卫生占比6.86%、公用事业占比5. ...

从指数持仓来看，上证财富中小盘指数十大权重分别为：福达股份（1.32%）、有方科技（1.24%）、 迈信林（1.15%）、汇金通（0.95%）、豪能股份（0.94%）、晶华新材（0.93%）、新坐标（0.89%）、 华培动力（0.86%）、振华股份（0.86%）、春风动力（0.84%）。 从上证财富中小盘指数持仓的市场板块来看，上海证券交易所占比100.00%。 从上证财富中小盘指数持仓样本的行业来看，工业占比27.27%、可选消费占比25.01%、原材料占比 13.84%、医药卫生占比6.98%、信息技术占比6.93%、公用事业占比6.00%、通信服务占比4.45%、主要 消费占比3.79%、能源占比2.66%、房地产占比1.64%、金融占比1.42%。 资料显示，指数样本每半年调整一次，样本调整实施时间分别为每年6月和12月的第二个星期五的下一 交易日。每次调整的样本比例一般不超过15%。权重因子随样本定期调整而调整，调整时间与指数样本 定期调整实施时间相同。在下一个定期调整日前，权重因子一般固定不变。特殊情况下将对指数进行临 时调整。当样本退市时，将其从指数样本中剔除。样本公司发生收购、合并、分拆等情形 ...