Group 1 - The acrylic acid concept sector rose by 1.88%, ranking 7th among concept sectors, with 8 stocks increasing in value, including Bohai Chemical which hit the daily limit, and Shuangxiang Co., Shenyang Chemical, and Baolijia showing gains of 4.49%, 2.93%, and 2.59% respectively [1] - The main inflow of funds into the acrylic acid concept sector was 158 million yuan, with Bohai Chemical leading the net inflow at 86.73 million yuan, followed by Wanhua Chemical, Satellite Chemical, and Rike Chemical with net inflows of 71.24 million yuan, 17.03 million yuan, and 11.80 million yuan respectively [2] - In terms of net inflow ratios, Bohai Chemical, Shenyang Chemical, and Rike Chemical had the highest ratios at 14.08%, 5.97%, and 5.93% respectively [3] Group 2 - The top stocks in the acrylic acid concept sector included Bohai Chemical with a daily increase of 10.10% and a turnover rate of 13.09%, while Wanhua Chemical increased by 1.14% with a turnover rate of 0.77% [3][4] - Stocks that experienced declines included Tianlong Group, which fell by 0.98%, and Benli Technology and Acoly, both down by 0.35% [1][4] - The overall performance of the acrylic acid concept sector indicates a positive trend, with significant capital inflows and several stocks showing strong gains [2][3]

Group 1 - The core viewpoint of the news is that the military equipment restructuring concept has experienced a decline, with a drop of 0.34% as of the market close on June 4, positioning it among the top decliners in the concept sector [1][2] - Within the military equipment restructuring concept, stocks such as Dong'an Power, Chang'an Automobile, and Changcheng Military Industry saw significant declines, while Hunan Tianyan, Huqiang Technology, and Construction Industry were among the few that increased, with respective gains of 0.44%, 0.18%, and 0.15% [1][2] - The military equipment restructuring concept faced a net outflow of 0.43 billion yuan from main funds today, with six stocks experiencing net outflows, led by Chang'an Automobile, which saw a net outflow of 22.58 million yuan [2] Group 2 - The top decliners in the military equipment restructuring concept included Chang'an Automobile (-0.24%), Dong'an Power (-2.14%), and Changcheng Military Industry (-0.66%), while Hunan Tianyan was the only stock with a positive change [2] - The trading volume for Chang'an Automobile was 0.52%, and it had the highest net outflow of main funds at 22.58 million yuan, followed by Dong'an Power with a net outflow of 18.22 million yuan [2] - The overall performance of the military equipment restructuring concept contrasts with other sectors, such as the beer concept, which increased by 3.85% [2]

A股收评：三大股指全日低位震荡 两市超4100只个股飘绿 金十数据5月30日讯，A股三大指数今日低开低走，午后呈低位震荡态势。截至收盘，上证综指跌 0.47%，深证成指跌0.85%，创业板指跌0.96%。全市场成交额11642亿元，较上日缩量492亿元。全市场 超4100只个股飘绿。盘面上，创新药板块领涨，联化科技、海南海药、哈三联、华森制药多股涨停，舒 泰神涨超15%。养殖业板块涨幅居前，巨星农牧、湘佳股份涨停。高位股则集体大跌，王子新材等多股 跌停；黄金、草甘膦、可控核聚变、人形机器人、环保设备、消费电子等板块跌幅居前。 ...

Group 1 - The WiFi 6 concept sector experienced a decline of 1.35%, ranking among the top declines in concept sectors as of May 27 [1][2] - Major companies within the WiFi 6 sector, such as Broadcom Integrated, Cambridge Technology, and Tai Ling Microelectronics, saw significant declines in their stock prices [1][2] - Despite the overall decline, a few companies like Canqin Technology, Pingzhi Information, and Jiulian Technology recorded stock price increases of 1.17%, 0.85%, and 0.29% respectively [1][2] Group 2 - The WiFi 6 sector faced a net outflow of 490 million yuan in principal funds, with 41 stocks experiencing net outflows, and 19 stocks seeing outflows exceeding 10 million yuan [2] - Broadcom Integrated led the outflow with a net outflow of 63.34 million yuan, followed by Guanghetong, Unisplendour, and StarNet with outflows of 49.21 million yuan, 36.54 million yuan, and 30.23 million yuan respectively [2][3] - Conversely, stocks such as Pingzhi Information, Canqin Technology, and Gongjin Co. saw net inflows of 17.10 million yuan, 13.19 million yuan, and 4.07 million yuan respectively [3][4]

Group 1 - The supply and marketing cooperative concept index rose by 2.72%, ranking third among concept sectors, with 10 stocks increasing in value [1][2] - Notable gainers included Huailong Co., Ltd. and Zhongnong United, both reaching the daily limit, while Hunan Development and Zhongnong Lihua also saw significant increases of 6.20% and 5.12% respectively [1][2] - The sector experienced a net inflow of 163 million yuan from main funds, with Huailong Co., Ltd. leading the inflow at 134 million yuan [2][3] Group 2 - The top stocks by net inflow ratio included Huailong Co., Ltd. and Zhongnong United, with net inflow ratios of 31.08% and 30.85% respectively [3][4] - The trading volume for Huailong Co., Ltd. was 133.65 million yuan, with a turnover rate of 7.90% [3][4] - Other stocks with notable performance included Hunan Development and Zhongnong Lihua, with respective increases of 6.20% and 5.12% [1][4]

- Model name: Broad-based index rotation strategy; Model construction idea: Using the weekly change rate of the total heat of different broad-based indices to construct a rotation strategy; Model construction process: Calculate the weekly heat change rate of different groups of stocks and smooth it using MA2. On the last trading day of each week, buy the broad-based index with the highest total heat change rate MA2. If the highest change rate is in the "other" group, stay in cash. The strategy's net value is shown in the report. The formula is: $ \text{Heat Change Rate MA2} = \frac{\sum_{i=1}^{n} \text{Heat Change Rate}_i}{n} $ where $ n $ is the number of weeks. The strategy's annualized return since 2017 is 8.74%, with a maximum drawdown of 23.5%. The return since 2025 is 8.13%[14][16][17] - Model name: Broad-based index heat; Model construction idea: Aggregate the total heat of component stocks in broad-based indices; Model construction process: Group the entire A-share sample according to the component stocks of the CSI 300, CSI 500, CSI 1000, CSI 2000, and "other" groups. Sum the total heat indicators of the component stocks in each group to obtain the heat of the four mainstream broad-based indices and the heat of stocks not included in these indices ("other" group). The formula is: $ \text{Total Heat} = \sum_{i=1}^{n} (\text{Browse Count}_i + \text{Self-selection Count}_i + \text{Click Count}_i) $ where $ n $ is the number of stocks in the group. The heat is normalized by dividing by the total market heat and multiplying by 10000, with a range of [0,10000][9][12] - Factor name: Total heat indicator; Factor construction idea: Aggregate the browsing, self-selection, and click counts of stocks; Factor construction process: Define the total heat indicator as the sum of the browsing, self-selection, and click counts of a stock, normalized by its proportion in the entire market on the same day, and multiplied by 10000. The formula is: $ \text{Total Heat} = \frac{(\text{Browse Count} + \text{Self-selection Count} + \text{Click Count})}{\text{Total Market Heat}} \times 10000 $ with a range of [0,10000][8] - Factor name: Concept heat; Factor construction idea: Aggregate the total heat of component stocks in different concepts; Factor construction process: Calculate the weekly heat change rate of each concept and smooth it using MA2. Construct two simple portfolios: select the top 5 concepts with the highest heat change rate each week, exclude the smallest 20% of stocks by market cap, and equally hold the top 10 stocks with the highest total heat in each concept to form the heat TOP portfolio. Similarly, select the bottom 10 stocks with the lowest total heat in each concept to form the BOTTOM portfolio. The formula is: $ \text{Heat Change Rate MA2} = \frac{\sum_{i=1}^{n} \text{Heat Change Rate}_i}{n} $ where $ n $ is the number of weeks. The BOTTOM portfolio's annualized return is 15.71%, with a maximum drawdown of 28.89%. The return since 2025 is 18.35%[28][30][32][33] Model backtest results - Broad-based index rotation strategy, annualized return 8.74%, maximum drawdown 23.5%, return since 2025 8.13%[17] - Broad-based index heat, CSI 300 heat change rate increased by 5.25%, CSI 500 heat change rate decreased by 13.72%[17] Factor backtest results - Total heat indicator, normalized range [0,10000][8] - Concept heat, BOTTOM portfolio annualized return 15.71%, maximum drawdown 28.89%, return since 2025 18.35%[33]

Group 1 - The graphite electrode concept sector increased by 2.57%, ranking first among concept sectors, with 17 stocks rising, including Ningxin New Materials which hit a 30% limit up, and Yong'an Pharmaceutical also hitting the limit up, while Dongfang Carbon, Xiangfenghua, and Better Ray saw increases of 11.54%, 5.78%, and 3.30% respectively [1][2] - The sector attracted a net inflow of 263 million yuan from main funds, with 10 stocks receiving net inflows, and 5 stocks seeing inflows exceeding 10 million yuan, led by Yong'an Pharmaceutical with a net inflow of 260 million yuan [2][3] - The top three stocks by net inflow ratio were Yong'an Pharmaceutical at 20.71%, China Baoan at 17.14%, and Xiangfenghua at 10.64% [3][4] Group 2 - The top performing stocks in the graphite electrode concept included Yong'an Pharmaceutical, with a daily increase of 10.00% and a turnover rate of 30.78%, followed by Daoshi Technology and Zhongke Electric with increases of 2.77% and 3.28% respectively [3][4] - The stocks with the largest declines included Fuan Co., which fell by 2.92%, and Guomin Technology and Shanshan Co., which decreased by 1.95% and 1.56% respectively [1][4] - The overall market performance showed a mixed trend, with several sectors experiencing declines, while the graphite electrode sector stood out with significant gains [2][3]

Group 1 - The supply and marketing cooperative concept index rose by 1.53%, ranking 7th among concept sectors, with 9 stocks increasing in value [1] - Notable gainers included Hunan Development and Zhongnong Lihua, both hitting the daily limit, while Yaqi International, New Power Finance, and Zhejiang Agricultural Holdings also saw significant increases of 2.66%, 1.40%, and 1.29% respectively [1] - The leading decliners in this sector were Swan Shares, Supply and Marketing Group, and Huangshan Gujie, which fell by 1.66%, 1.17%, and 0.69% respectively [1] Group 2 - The supply and marketing cooperative sector experienced a net inflow of 147 million yuan from main funds, with 7 stocks receiving net inflows [2] - Hunan Development led the net inflow with 181 million yuan, followed by Yaqi International, Zhongnong Lihua, and New Power Finance with net inflows of 54.44 million yuan, 34.54 million yuan, and 11.08 million yuan respectively [2] - The net inflow ratios for Zhongnong Lihua, Yaqi International, and Hunan Development were 19.28%, 13.86%, and 13.60% respectively [3] Group 3 - The trading performance of key stocks in the supply and marketing cooperative sector showed significant turnover rates, with Hunan Development at 19.06%, Zhongnong Lihua at 4.30%, and New Power Finance at 9.80% [3] - The stock performance included Hunan Development rising by 10.01%, while Zhongnong Lihua also increased by 10.00% [3] - Conversely, Supply and Marketing Group saw a decline of 1.17% with a notable negative net fund flow of 109.17 million yuan, indicating a significant outflow [4]

Group 1 - The organic silicon concept rose by 1.92%, ranking 9th among concept sectors, with 28 stocks increasing in value, including Jitai Co., which hit the daily limit, and Yian Technology, Yuanxiang New Materials, and Huami New Materials, which rose by 14.40%, 11.08%, and 10.24% respectively [1] - The top gainers in the organic silicon sector included Yian Technology with a net inflow of 384 million yuan, followed by Zhongqi New Materials, Xingfa Group, and Xin'an Co., with net inflows of 87.99 million yuan, 76.39 million yuan, and 56.08 million yuan respectively [1][2] - The main funds' net inflow rates for Xin'an Co., Xingfa Group, and Yian Technology were 22.24%, 19.35%, and 16.89% respectively, indicating strong investor interest [2] Group 2 - The organic silicon sector saw a net inflow of 602 million yuan today, with 20 stocks receiving net inflows, and 6 stocks exceeding 10 million yuan in net inflows [1] - The top stocks by net inflow in the organic silicon sector were Yian Technology, Zhongqi New Materials, and Xingfa Group, with respective net inflows of 384 million yuan, 87.99 million yuan, and 76.39 million yuan [1][2] - The overall market performance showed a mixed trend, with some sectors like PEEK materials gaining 3.40% while others like the horse racing concept declining by 1.41% [1]

Group 1 - The Tonghuashun Fruit Index concept declined by 1.38%, ranking among the top declines in the concept sector, with companies like Lens Technology, Lante Optics, and Changying Precision experiencing significant drops [1][2] - Among the stocks in the Tonghuashun Fruit Index, only two stocks saw price increases, with Zhongshi Technology and BOE A rising by 2.20% and 0.26% respectively [1][2] Group 2 - The concept sectors with the highest gains today included Supply and Marketing Cooperatives (+3.93%), Cross-Border Payment (CIPS) (+3.65%), and Glyphosate (+3.57%), while the China AI 50 and Nvidia concept saw declines of -2.09% and -1.48% respectively [2] - The Tonghuashun Fruit Index experienced a net outflow of 587 million yuan from main funds, with 14 stocks seeing net outflows, and five stocks experiencing outflows exceeding 50 million yuan [2] - The stock with the highest net outflow was Luxshare Precision, with a net outflow of 184 million yuan, followed by Goer Technology and Lingyi iTech with outflows of 165 million yuan and 61.8 million yuan respectively [2][3]