【导读】冲上热搜，京东直线拉升 中国基金报记者 安曼 4月28日早盘，A股、港股集体调整。 截至发稿，A股三大主要指数跌幅收窄。 | 上证指数 | 深证成指 | 北证50 | | --- | --- | --- | | 3291.85 | 9877.97 | 1295.41 | | -3.21 -0.10% -39.08 -0.39% | | -4.78 -0.37% | | 科创50 | 创业板指 | 万得全A | | 1002.65 | 1936.57 | 4934.95 | | -1.92 -0.19% -10.61 -0.54% | | -21.21 -0.43% | 盘面上，PEEK材料指数低开高走，目前领涨全市场；电力、银行指数持续走高，带动上证指数快速"回血"。下跌方面，前期高位的消费概念股领跌，因 政策预期落空，地产股集体走弱，拉低指数。 同一天，京东方面表示，将进一步加大全职骑手的招聘力度，在首批开放全职骑手招募的130多个城市，除五险一金外，再为全职骑手提供保底收入和职 业发展通道，并且随着业务发展，招募城市范围还将进一步扩大。 临近上午10点，港股小米、京东直线拉升，带动恒生科技指数翻红 ...

- The report introduces a "Total Heat Index" as a proxy variable for tracking market sentiment, which aggregates the browsing, watchlist, and click counts of individual stocks, normalized as a percentage of the total market and multiplied by 10,000, with a range of [0,10000][7] - A simple rotation strategy is constructed based on the weekly heat change rate (MA2) of broad-based indices, where the index with the highest heat change rate is bought at the end of each week, and if the "Others" group has the highest rate, the portfolio remains in cash. This strategy achieved an annualized return of 8.74% since 2017, with a maximum drawdown of 23.5%, and a 2025 return of 7.5%[13][16] - The report also constructs two concept-based portfolios: a "TOP" portfolio selecting the top 10 stocks with the highest total heat within the top 5 concepts with the largest heat change, and a "BOTTOM" portfolio selecting the bottom 10 stocks with the lowest total heat within the same concepts. The "BOTTOM" portfolio historically achieved an annualized return of 15.71%, with a maximum drawdown of 28.89%, and a 2025 return of 17%[30][32]

以下文章来源于36氪财经 ，作者丁卯 郑怀舟 36氪财经 . 36氪旗下官方账号。洞见市场，比99%的投资者更聪明。 政策定调进一步增强中国资产韧性。 文 ｜ 丁卯 编辑 ｜ 郑怀舟 来源｜ 36氪财经（ID：krfinance） 封面来源 ｜ 视觉中国 本周，在海外关税担忧继续缓解叠加央行超额续作MLF向市场注入中期流动性的双重利好下，市场整体处于快速波动后的弱平衡阶段，大盘延续了震荡反 弹走势。各宽基指数多数上涨，整体来看，小盘股和中盘股的修复略好于大盘股，但板块轮动和分化依旧加速。周内，主要宽基指数中，上证指数上涨 0.56%；深证成指上涨1.38%；创业板指上涨1.74%；中证1000上涨1.85%；中证2000上涨2.71%。 行业板块上，本周31个申万一级行业涨多跌少，其中24个实现上涨，7个出现下跌。涨幅排名前三为，汽车、美容护理、基础化工；涨幅排名落后的为食 品饮料、地产和煤炭。概念板块上，周内wind热门概念中表现较好的为PEEK材料、光通信、射频及天线等。 政策积极定调， 后续市场机会与风险并存 本周，中央政治局会议召开，明确提出了要"持续稳定和活跃资本市场"，而且周内央行加码MLF向市场 ...

Group 1 - The Tianjin Free Trade Zone concept rose by 1.75%, ranking third among concept sectors, with eight stocks increasing, including Bohai Chemical and Tianbao Infrastructure hitting the daily limit [1] - Leading gainers in the Tianjin Free Trade Zone sector included Ruipu Biological, Haitai Development, and Youfa Group, which rose by 5.55%, 2.36%, and 1.82% respectively [1] - The sector saw a net inflow of 245 million yuan from main funds, with Tianbao Infrastructure receiving the highest net inflow of 211 million yuan [2][3] Group 2 - The main fund inflow ratios for Bohai Chemical, Tianbao Infrastructure, and Jinkai New Energy were 31.95%, 12.34%, and 10.93% respectively [3] - The trading volume and turnover rates for key stocks in the Tianjin Free Trade Zone included Tianbao Infrastructure at 30.21% turnover and a 9.92% increase, while Bohai Chemical had a 5.07% turnover and a 10.00% increase [3][4] - Decliners in the sector included Hengyin Technology, Tianjin Pulin, and Guifaxiang, with declines of 3.12%, 2.49%, and 1.99% respectively [1][4]

Group 1 - The Alzheimer's concept sector rose by 1.30%, ranking 6th among concept sectors, with 21 stocks increasing in value [1][2] - Notable gainers in the sector included Jinkai Biotechnology with a 20% limit-up, Shuangcheng Pharmaceutical also hitting the limit-up, and LuKang Pharmaceutical, Fujilai, and Dongcheng Pharmaceutical with increases of 3.95%, 3.60%, and 2.06% respectively [1][2] - The sector experienced a net inflow of 250 million yuan from main funds, with Shuangcheng Pharmaceutical leading the inflow at 181 million yuan [2][3] Group 2 - The top stocks by net inflow ratio included Jinkai Biotechnology at 33.12%, Shuangcheng Pharmaceutical at 19.33%, and Chitianhua at 5.51% [3] - The trading volume and turnover rates for key stocks in the Alzheimer's concept were significant, with Shuangcheng Pharmaceutical showing a turnover rate of 23.40% and Jinkai Biotechnology at 23.43% [3] - Decliners in the sector included NuoVizon, Dean Diagnostics, and BGI Genomics, with declines of 2.96%, 2.68%, and 1.85% respectively [1][4]

截至4月24日收盘，PEEK材料概念上涨3.70%，位居概念板块涨幅第1，板块内，23股上涨，新瀚新材 20%涨停，中广核技、中欣氟材等涨停，富恒新材、中研股份、南京聚隆等涨幅居前，分别上涨 8.37%、6.68%、6.27%。跌幅居前的有道恩股份、天赐材料、超捷股份等，分别下跌0.88%、0.81%、 0.38%。 今日涨跌幅居前的概念板块 | 概念 | 今日涨跌幅（%） | 概念 | 今日涨跌幅（%） | | --- | --- | --- | --- | | PEEK材料 | 3.70 | 电子身份证 | -3.20 | | 丙烯酸 | 1.89 | 华为盘古 | -3.13 | | 天津自贸区 | 1.75 | 数字货币 | -3.10 | | 宠物经济 | 1.74 | 数据安全 | -3.07 | | 维生素 | 1.35 | 云办公 | -2.98 | | 阿尔茨海默概念 | 1.30 | 智谱AI | -2.98 | | NMN概念 | 1.22 | 数据确权 | -2.94 | | 人造肉 | 1.06 | 智慧政务 | -2.92 | | CRO概念 | 0.96 | 华为鲲鹏 | -2. ...

2025.04. 24 | 板块名称 | 涨幅 | 王力金额 | 板块名称 | 米喝合 | 一切金额 | | --- | --- | --- | --- | --- | --- | | PEEK材料 | +1.80% | -60377 | 新股与次新股 | -3.54% | -3.68 7. | | 电力 | +1.74% | +8.66 7. | 电子身份证 | -3.33% | -5.42 7 | | 美容护理 | +1.59% | +54187 | 华为盘古 | -3.25% | -7.02 Z | | 宠物经济 | +1.59% | +3.11 7. | 注册制次新股 | -3.17% | -3.68 Z | | NMN概念 | +1.22% | +2.36 7. | 通信服务 | -3.16% | -11.70 Z. | | 银行 | +1.06% | -3.27 7 | 软件开发 | -3.12% | -19.77 7 | | 保险 | +0.91% | +1.83 7. | 数据安全 | -3.10% | -29.95 7 | | 维牛麦 | +0.90% | +2.9617. | 科创次新股 ...

The provided content does not include any specific quantitative models or factors, nor does it provide details about their construction, evaluation, or backtesting results. The documents primarily focus on market performance, sector and concept index movements, market sentiment, capital flows, ETF premiums/discounts, block trading discounts, and institutional activity. These are descriptive analyses and statistics rather than quantitative models or factor-based methodologies. If you have another document or report that includes quantitative models or factors, please provide it for analysis

Market Performance - The CSI 1000 index performed well today, while the CSI 50 index declined by 0.15% and the CSI 300 index fell by 0.08%. The CSI 500 index increased by 0.11%, and the CSI 2000 index rose by 0.27% [6] - Among sector indices, the North Securities 50 index showed strong performance with a rise of 0.52%. The comprehensive finance, textile and apparel, communication, banking, and light industry manufacturing sectors performed well, with returns of 1.69%, 1.42%, 0.97%, 0.89%, and 0.56% respectively. Conversely, the defense, non-ferrous metals, electric utilities, steel, and pharmaceutical sectors underperformed, with returns of -1.53%, -0.83%, -0.71%, -0.59%, and -0.55% respectively [7] - Concept themes such as yellow wine, jewelry, home textiles, PEEK materials, and liquid metals performed well, with returns of 5.06%, 3.19%, 3.01%, 2.71%, and 2.00% respectively. In contrast, concepts like gold selection, aviation engines, photolithography machines, AVIC system, and oil and gas reform showed poor performance, with returns of -2.44%, -1.87%, -1.80%, -1.80%, and -1.73% respectively [8] Market Sentiment - At the market close, there were 48 stocks hitting the daily limit up and 19 stocks hitting the limit down. Stocks that hit the limit up yesterday had a closing return of 0.33%, while those that hit the limit down had a return of -3.54% today. The sealing rate today was 62%, unchanged from the previous day, while the consecutive sealing rate dropped by 14% to 12% [2][12][17] Market Capital Flow - As of April 1, 2025, the margin trading balance was 1.914 trillion yuan, with a financing balance of 1.9028 trillion yuan and a securities lending balance of 11.2 billion yuan. The margin trading balance accounted for 2.4% of the total market capitalization, and margin trading accounted for 8.8% of the market turnover [3][20][23] Premium and Discount - On April 1, 2025, the IoT ETF showed the highest premium at 3.15%, while the Sci-Tech Biomedicine ETF had the highest discount at 0.57%. The average discount rate for block trades over the past six months was 5.41%, with a discount rate of 4.29% on the same day [4][25][29] Institutional Attention and Rankings - In the past week, the stocks with the most institutional research were Sanhua Intelligent Control, Magmi Tech, Huayang Group, and others, with Sanhua Intelligent Control being researched by 409 institutions [5][33] - The stocks with the highest net inflow from institutional special seats on April 2, 2025, included Dongtu Technology, Qin Chuan Machine Tool, and others, while those with the highest net outflow included Hangfa Power, Rundu Shares, and others [37][40]

The provided content does not include any specific quantitative models or factors, nor does it detail their construction, evaluation, or backtesting results. The documents primarily focus on market performance, sentiment, fund flows, ETF premiums/discounts, block trades, and institutional activity. These are descriptive analyses and statistics rather than quantitative models or factor-based methodologies.