Group 1: Institutional Research on Popular Companies - The top twenty companies with the highest number of institutional research visits in the past 30 days include Luxshare Precision, Haiguang Information, Zhongke Shuguang, Jereh, and Huichuan Technology [11] - In the last five days, the most popular companies for institutional research were Haiguang Information, Zhongke Shuguang, Weichuang Electric, Superjet, and Shenghong Technology [11] - Among the top twenty companies in the past 30 days, 13 companies had 10 or more rating agencies involved [11] Group 2: Major Shareholder Increase in A-Share Companies - From December 8 to December 12, 2025, two A-share companies announced significant shareholder increases, with Inpai Si planning to increase its holdings by an amount that represents more than 1% of the market value on the announcement date [18] - From January 1 to December 12, 2025, a total of 307 companies announced shareholder increases, with 77 of them having 10 or more rating agencies involved [19] Group 3: A-Share Company Buyback Situation - Between December 8 and December 12, 2025, 50 companies announced buyback progress, with 13 having 10 or more rating agencies involved [22] - Four companies are recommended for attention based on their buyback amounts exceeding 1% of their market value on the announcement date, including Naxin Micro, Midea Group, SF Holding, and China Merchants Jinling [22] - From January 1 to December 12, 2025, a total of 1,830 companies announced buyback progress, with 356 having 10 or more rating agencies involved [24]

Group 1 - Institutional research activities have significantly accelerated entering the fourth quarter, with 419 companies receiving institutional research from November 27 to December 10, and 83 of these companies were involved with overseas institutions [1][3] - Among the companies researched by overseas institutions, Huichuan Technology received the most attention with 51 overseas institutions participating, followed by Anker Innovation with 48 institutions [3] - The Beijing Stock Exchange also attracted institutional interest, with 35 companies being researched in the month from November 11 to December 10, and Naconor was the most focused on, with 91 institutions participating in the research [3] Group 2 - The active institutional research aligns with the order visibility reported by listed companies, as nearly 200 A-share listed companies indicated "full orders" or "industry prosperity" during institutional research since November [3]

Core Insights - In the past five trading days, a total of 192 companies were investigated by institutions, with Anker Innovations, Weicai Technology, and Canxin Semiconductor being the most frequently researched [1] - Among the companies, 27 received attention from more than 20 institutions, with Anker Innovations being the most popular, attracting 209 institutions [1] - The data indicates that 11 out of the 20 companies with the highest institutional interest experienced net capital inflows, with Feilihua seeing the highest net inflow of 451 million yuan [1] Group 1: Institutional Research Activity - A total of 192 companies were investigated by institutions in the last five trading days [1] - Securities companies participated in 88.54% of the research activities, investigating 170 companies [1] - Fund companies followed with 126 companies researched, while private equity firms investigated 68 companies [1] Group 2: Companies with High Institutional Interest - Anker Innovations was the most researched company, with 209 institutions participating [1] - Weicai Technology and Canxin Semiconductor were the second and third most researched, with 73 and 62 institutions respectively [1] - Other notable companies include Huichuan Technology (56 institutions) and Feilihua (43 institutions) [2] Group 3: Market Performance of Investigated Companies - Among the companies investigated, 18 saw price increases, with Changguang Huaxin leading with a 27.80% increase [2] - The top gainers also included Boying Welding (21.56%) and Feilihua (11.44%) [2] - Conversely, 9 companies experienced declines, with Shifeng Culture and Hanhigh Group seeing the largest drops of 9.74% and 8.46% respectively [2] Group 4: Detailed Company Data - Anker Innovations (stock code: 300866) had 1 research instance, 209 institutions, and a closing price of 107.71 yuan with a slight decline of 0.20% [2] - Weicai Technology (688372) had 1 research instance, 73 institutions, and a closing price of 102.73 yuan with an increase of 10.23% [2] - Canxin Semiconductor (688691) had 1 research instance, 62 institutions, and a closing price of 115.49 yuan with a rise of 7.33% [2]

Group 1 - The report indicates a rebound in institutional research focus on home appliances, building materials, and computers, with an increase in the number of research sessions compared to the previous week [2][12][19] - In the weekly perspective, the total number of research sessions for the entire A-share market decreased to 482, lower than 542 in the same period of 2024, indicating a continued decline in research heat [12][20] - Monthly data shows that in November, the total number of research sessions for the entire A-share market reached 2969, which is lower than 3286 in the same period of 2024, but reflects a rebound compared to previous months [20][21] Group 2 - From an individual stock perspective, companies such as Dazhu Laser, Jereh, and Fule New Materials received significant market attention, with Dazhu Laser being researched 4 times in the last week [25][28] - Over the past month, companies like Oke Yi, Huichuan Technology, and Ice Wheel Environment have also garnered considerable attention, with Oke Yi being researched 28 times [29][30] - Zhongyou Technology, focusing on intelligent logistics systems, has seen a remarkable performance with a revenue growth of 36.69% and a net profit growth of 1074.35% in the first three quarters of 2025, leading to increased institutional interest [27]

Group 1: Institutional Research on Popular Companies - The top twenty companies with the highest number of institutional research visits in the last 30 days include Luxshare Precision, Huichuan Technology, and Jerry Holdings [13][14] - In the last 5 days, the most researched companies include Jerry Holdings, Tianhua New Energy, and Sanxin Technology [15] - Among the top twenty companies in the last 30 days, 15 companies had 10 or more rating agencies involved, indicating strong institutional interest [13] Group 2: Major Shareholder Increase in A-Share Companies - From December 1 to December 5, 2025, five A-share companies announced significant shareholder increases, with Jiangsu Shentong and Hengyi Petrochemical planning increases that exceed 1% of their market value on the announcement date [20][21] - From January 1 to December 5, 2025, a total of 304 companies reported shareholder increases, with 76 having 10 or more rating agencies involved [22][23] Group 3: A-Share Company Buyback Situations - From December 1 to December 5, 2025, 163 companies announced buyback progress, with 46 having 10 or more rating agencies involved [26][27] - The companies with significant buyback plans include Jian Sheng Group, Liangxin Co., and Zhizhong Home, with buyback amounts exceeding 1% of their market value on the announcement date [26][27] - From January 1 to December 5, 2025, 1,822 companies reported buyback progress, with 353 having 10 or more rating agencies involved [28][29]

近一周（11月28日—12月4日）机构调研个股有380多只，杰瑞股份调研机构数最多。杰瑞股份有193家 机构调研，其中包括57家基金公司、48家证券公司、29家私募、13家保险公司以及16家海外机构。近 期，公司接连拿下大订单。11月27日，杰瑞股份公众号发文，公司全资子公司杰瑞敏电能源集团（以下 简称"杰瑞敏电"）与全球AI行业巨头正式签署发电机组销售合同，合同金额超1亿美元。12月2日，公司 公众号再度发文，杰瑞敏电再度与另一北美客户签署超亿美元发电机组销售合同。怡合达、萤石网络、 热景生物、乐鑫科技、中科创达等个股也获超100家机构调研。从市场表现来看，近一周机构调研的个 股平均上涨0.58%，海欣食品、杰瑞股份、通宇通讯、科翔股份等均逆市涨逾20%。（证券时报） ...

Group 1: Industry Perspective on Institutional Research - The research indicates an increase in institutional research activity for the banking, telecommunications, and food and beverage sectors [1][3][11] - Weekly data shows a decline in total research instances across the A-share market, with a total of 488 instances last week, lower than the 757 instances in the same week of 2024 [12][20] - Monthly data for November shows a total of 2780 research instances, which is below the 3286 instances recorded in November 2024 [20][22] Group 2: Individual Stock Perspective on Institutional Research - Companies such as Weisheng Information, Haixia Co., and Wanma Technology received significant market attention, with multiple research instances noted [26][30] - Da Yi Long has been frequently researched, with three instances last week, highlighting its rapid overseas business growth in the Southeast Asian beverage market [28][29] - The recent month saw high research activity for companies like Huichuan Technology and Ice Wheel Environment, indicating strong market interest [30][31]

Group 1: Institutional Research on Popular Companies - The top twenty companies with the highest number of institutional research visits in the last 30 days include Luxshare Precision, Huichuan Technology, United Imaging Healthcare, Aibo Medical, and Kaiying Network [11][12] - In the last 5 days, the most researched companies include Jerry Holdings, Fule New Materials, ST Huaton, Kaiying Network, and Jing Sheng Machinery [11][13] - Among the top twenty companies in the last 30 days, 18 companies had 10 or more rating agencies involved, with significant profit growth expected for companies like Jiao Cheng Ultrasound, Nine Company-WD, United Imaging Healthcare, and Lanke Technology in Q1-Q3 of 2025 compared to the same period in 2024 [11][12][14] Group 2: Shareholder Increase in A-Share Listed Companies - From November 24 to November 28, 2025, six listed companies announced significant shareholder increases, with Wanrun Co., Zhongchumai, and Lega Co. planning to increase their holdings by amounts that exceed 1% of the market value on the announcement date [3][18] - From January 1 to November 28, 2025, a total of 299 companies announced shareholder increases, with 75 of them having 10 or more rating agencies involved. Among these, 18 companies had planned increases that exceeded 1% of their market value [5][20] Group 3: Share Buyback Situations in A-Share Listed Companies - From November 24 to November 28, 2025, 83 companies announced buyback progress, with 23 of them having 10 or more rating agencies involved. Six companies had buyback amounts that exceeded 1% of their market value on the announcement date, including Zhongkong Technology, Aters, Naxinwei, and Petty Co. [4][24] - From January 1 to November 28, 2025, a total of 1,814 companies announced buyback progress, with 349 of them having 10 or more rating agencies involved. Among these, 89 companies had buyback amounts that exceeded 1% of their market value [6][25]

Group 1: Industry Perspective on Institutional Research - The research indicates a rebound in institutional research activity, particularly in the electronics, power equipment, and construction decoration sectors, with a total of 726 research instances last week, higher than 674 instances in the same week of 2024 [3][19] - The increase in research activity is noted across various sectors, including electronics, power equipment, construction decoration, agriculture, environmental protection, textiles, building materials, retail, defense, home appliances, and coal [3][19] - In October, due to the earnings report disclosure period, the total number of institutional research instances across the A-share market significantly dropped to 1,768, lower than 1,994 instances in October 2024 [20][21] Group 2: Individual Stock Perspective on Institutional Research - The stocks that received the most attention recently include Huichuan Technology, Fengyuan Co., and Ice Wheel Environment, with Huichuan Technology being researched 9 times last week [25][28] - Over the past month, stocks such as Oke Yi, Huichuan Technology, Ice Wheel Environment, and others have seen a high number of research instances, indicating strong market interest [29][30] - Huichuan Technology has been frequently researched due to its early advantage in the eCall system, which is expected to create a stable demand of nearly 30 million units annually starting from July 1, 2027, as all cars sold in China must be equipped with the system [27]

Group 1: Institutional Research on Popular Companies - The top twenty companies with the highest number of institutional research visits in the last 30 days include United Imaging Healthcare, Lens Technology, Aibo Medical, Sanhua Intelligent Control, and Zhaoyi Innovation [2][13] - In the last 5 days, the most popular companies for institutional research include Ninebot Company-WD, Rongbai Technology, Lens Technology, Yintong Intelligent Control, and Yinglian Co., Ltd [2][15] - Among the top twenty companies in the last 30 days, 19 companies had 10 or more rating agencies involved, with significant profit growth expected for Jiao Cheng Ultrasound, Lanke Technology, and United Imaging Healthcare in Q1-Q3 of 2025 compared to the same period in 2024 [2][13][16] Group 2: Major Shareholder Increase in A-Share Listed Companies - From November 17 to November 21, 2025, five listed companies announced significant shareholder increases, with Changshu Bank increasing its shareholding by more than 1% of total equity, while Huangtai Liquor, Longlide, Fuguang Co., and Feiwo Technology planned to increase their holdings with an average of more than 1% of the market value on the announcement date [3][20] - From January 1 to November 21, 2025, a total of 295 companies announced significant shareholder increases, with 90 of them having 10 or more rating agencies involved. Among these, 23 companies had an average planned increase amount exceeding 1% of the market value on the announcement date, including Xianhe Co., Hubei Yihua, Xinji Energy, and Zhongju Gaoxin [5][22] Group 3: Share Buyback Situation in A-Share Listed Companies - From November 17 to November 21, 2025, 65 companies announced their buyback progress, with 16 companies having 10 or more rating agencies involved. Five companies had an average planned buyback amount exceeding 1% of the market value on the announcement date, with a focus on Jian Sheng Group, Trina Solar, and Prologis Pharmaceuticals [4][25] - From January 1 to November 21, 2025, a total of 1,805 companies announced their buyback progress, with 344 of them having 10 or more rating agencies involved. Among these, 88 companies had a significant buyback ratio, with two companies, Huaming Equipment and Prologis Pharmaceuticals, still in the board proposal stage [6][27]