从沪深300运输业指数持仓的市场板块来看，上海证券交易所占比81.19%、深圳证券交易所占比 18.81%。 从沪深300运输业指数持仓样本的行业来看，铁路运输占比37.59%、快递占比21.94%、航运占比 20.99%、航空运输占比19.48%。 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。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。遇临时调整时，当沪深300指数调整样本时，沪深300行业指数样本 随之进行相应调整。在样本公司有特殊事件发生，导致其行业归属发生变更时，将对沪深300行业指数 样本进行相应调整。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、分拆等情形的 处理，参照计算与维护细则处理。 金融界7月30日消息，A股三大指数收盘涨跌不一，沪深300运输业指数 (300运输业，L11618)报3806.99 点。 数据统计显示，沪深300运输业指数近一个月下跌1.40%，近三个月上涨2.14%，年至今下跌1.91%。 据了解，为反映沪深300指数样本中不同行 ...

数据统计显示，沪深300运输业指数近一个月下跌0.29%，近三个月上涨4.58%，年至今上涨0.04%。 金融界7月28日消息，上证指数高开震荡，沪深300运输业指数 (300运输业，L11618)报3882.46点。 从沪深300运输业指数持仓样本的行业来看，铁路运输占比37.56%、快递占比21.76%、航运占比 21.21%、航空运输占比19.47%。 据了解，为反映沪深300指数样本中不同行业公司证券的整体表现，为投资者提供分析工具，将沪深300 指数300只样本按行业分类标准分为11个一级行业、35个二级行业、90余个三级行业及200余个四级行 业。沪深300行业指数系列分别以进入各一级、二级、三级、四级行业的全部证券作为样本编制指数， 形成沪深300行业指数。该指数以2004年12月31日为基日，以1000.0点为基点。 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。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。遇临时调整时，当沪深300指数调整样本时，沪深300行业指数样 ...

Core Points - The Shanghai Composite Index opened high and fluctuated, with the CSI 300 Transportation Index reported at 3840.29 points [1] - The CSI 300 Transportation Index has decreased by 0.50% over the past month, increased by 3.23% over the past three months, and has declined by 1.05% year-to-date [2] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, with a base date of December 31, 2004, set at 1000.0 points [2] Industry Composition - The top ten weights in the CSI 300 Transportation Index are: Beijing-Shanghai High-Speed Railway (26.22%), SF Holding (17.99%), COSCO Shipping Holdings (14.88%), Datong Railway (12.52%), China Eastern Airlines (5.08%), China Southern Airlines (4.84%), Air China (4.36%), Spring Airlines (4.17%), YTO Express (3.73%), and China Merchants Energy Shipping (3.07%) [2] - The market segments of the CSI 300 Transportation Index show that the Shanghai Stock Exchange accounts for 81.09%, while the Shenzhen Stock Exchange accounts for 18.91% [2] Sector Breakdown - The industry composition of the CSI 300 Transportation Index includes: railway transportation (38.74%), express delivery (21.72%), shipping (20.16%), and air transportation (19.38%) [3] - The index sample is adjusted biannually, with adjustments implemented on the next trading day following the second Friday of June and December each year [3] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI 300 Index samples [3]

Core Viewpoint - The Shanghai Composite Index opened lower but rose throughout the day, with the CSI 300 Transportation Index reported at 3817.95 points, reflecting a recent decline of 1.38% over the past month, an increase of 3.61% over the past three months, and a year-to-date decline of 1.63% [1] Group 1: Index Composition and Performance - The CSI 300 Transportation Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, providing a comprehensive analysis tool for investors [1] - The index is based on a sample of 300 stocks from the CSI 300 Index, with a base date of December 31, 2004, and a base point of 1000.0 [1] - The top ten weighted stocks in the CSI 300 Transportation Index include: - Beijing-Shanghai High-Speed Railway (26.28%) - SF Express (17.91%) - COSCO Shipping Holdings (14.98%) - Datong Railway (12.6%) - China Eastern Airlines (5.1%) - China Southern Airlines (4.83%) - Air China (4.4%) - Spring Airlines (4.26%) - YTO Express (3.41%) - China Merchants Energy Shipping (3.08%) [1] Group 2: Market Segmentation - The market composition of the CSI 300 Transportation Index shows that the Shanghai Stock Exchange accounts for 81.16%, while the Shenzhen Stock Exchange accounts for 18.84% [1] - The industry breakdown of the index's sample includes: - Railway Transportation (38.88%) - Express Delivery (21.33%) - Shipping (20.28%) - Air Transportation (19.51%) [2] Group 3: Sample Adjustment Mechanism - The index samples are adjusted biannually, with adjustments occurring on the next trading day following the second Friday of June and December each year [2] - Weight factors are adjusted in accordance with the sample changes, remaining fixed until the next scheduled adjustment unless a temporary adjustment is required due to changes in the CSI 300 Index [2] - Special events affecting sample companies, such as delisting, mergers, or changes in industry classification, will prompt corresponding adjustments to the CSI 300 industry index samples [2]