（文章来源：每日经济新闻） 每经AI快讯，12月19日，可控核聚变板块高开，王子新材涨停，常辅股份涨超10%，爱科赛博、哈焊华 通、宏微科技、雪人集团、英杰电气跟涨。 ...

12月18日沪指上涨0.16%，盘后龙虎榜数据显示，机构现身32只个股龙虎榜，净买入15只，净卖出17 只。深沪股通席位出现在18只个股龙虎榜。 证券时报·数据宝统计显示，12月18日机构专用席位现身32只个股龙虎榜，合计净卖出2.38亿元。个股来 看，净买入15只，净卖出17只。 机构龙虎榜净买卖个股 机构专用席位净买入金额最多的是雪人集团，该股今日收盘下跌5.76%，全天换手率为38.18%，成交额 为46.87亿元。因日换手率达38.03%上榜龙虎榜，前五大买卖营业部中有4家机构专用席位，为买二、买 三、买四、卖四，合计净买入12796.59万元。同时上榜的还有深股通专用席位，净卖出7324.71万元，营 业部席位合计净买入3043.10万元。资金流向方面，该股全天资金净流出1.79亿元。 通宇通讯，今日收盘上涨2.34%，全天换手率为41.04%，成交额为45.17亿元。因日换手率达41.04%上榜 龙虎榜，前五大买卖营业部中有4家机构专用席位，为买二、买三、买五、卖二，合计净买入12789.84 万元。同时上榜的还有深股通专用席位，净卖出2036.82万元，营业部席位合计净卖出7440.54万元。资 ...

Group 1: Stock Market Activity - 38 stocks were listed on the institutional trading leaderboard today, with 19 stocks seeing net buying and 19 stocks experiencing net selling [1] - The top three stocks with the highest net buying by institutions were: Xue Ren Group (128 million), Tongyu Communication (128 million), and Zhejiang Shibao (92.5 million) [1] - Zhejiang Shibao has a strong technical reserve in steer-by-wire and rear-wheel steering, with mass production projects expected to start in Q4 of this year and the second half of 2026 [1] Group 2: Aerospace Industry Developments - SpaceX has officially entered a regulatory quiet period as it moves closer to its planned IPO next year [2] - The Long March 12A reusable launch vehicle, developed by China Aerospace Science and Technology Corporation, is scheduled for its maiden flight in December 2025 [2] - The global commercial space launch sector is undergoing significant cost restructuring, with traditional rockets having hardware manufacturing costs at about 67%, while new commercial rockets reduce this to around 24% through reusable designs [2] Group 3: Healthcare and AI Integration - Meinian Health is a leader in the third-party health examination industry and is developing an AI health management model in collaboration with Huawei [3] - Huaren Health focuses on the pharmaceutical distribution sector, with Alibaba Health as a significant shareholder [3] - The AI healthcare sector is experiencing rapid growth, with 83 AI medical models launched in China, covering various applications such as online consultations and health management [3]

Core Insights - On December 17, the Shanghai Composite Index rose by 1.19%, with institutional investors appearing on the trading lists of 31 stocks, net buying 18 and net selling 13 [1] - Institutional special seats net bought a total of 467 million yuan, marking the fifth consecutive day of net buying [1] Institutional Net Buying - The stock with the highest net buying from institutional seats was Juguang Technology, which closed up 17.34% with a turnover rate of 12.90% and a transaction volume of 2.025 billion yuan. The top five trading departments included three institutional special seats, net buying a total of 291.32 million yuan [2] - ShenNan Circuit hit the daily limit, closing up 10.00% with a turnover rate of 2.60% and a transaction volume of 3.663 billion yuan. Seven institutional special seats were among the top five trading departments, net buying a total of 173.44 million yuan [2] - Hualing Cable closed up 5.21% with a turnover rate of 58.77% and a transaction volume of 3.217 billion yuan. Two institutional special seats net bought a total of 124.66 million yuan [3] Institutional Net Selling - The stock with the highest net selling by institutions was Yingweike, which saw a net selling amount of 220.25 million yuan. It was listed due to a price deviation of 8.32% [4] - XueRen Group had a net selling of 140.22 million yuan, with a turnover rate of 46.49% [4] - Guangxun Technology also saw significant net selling, amounting to 124.14 million yuan, despite a price deviation of 8.32% [4] Market Performance - The average increase of stocks with net buying from institutions was 8.38%, outperforming the Shanghai Composite Index [3] - Stocks like Yidong Electronics and Kaipu Cloud showed strong performance, closing at the daily limit [3] - A backtest of stocks with net buying from institutions over the past month revealed a 45.83% probability of rising the next day and a 38.54% probability of rising over three days [3] Earnings Forecast - Among the stocks with net buying from institutions, two provided earnings forecasts for 2025, both indicating an increase. Nantetech is expected to have a net profit of 111 million yuan, representing a year-on-year increase of 13.02% [3] Stocks with Deep and Hong Kong Stock Connect - On December 17, 16 stocks on the trading list had appearances from the Deep and Hong Kong Stock Connect, with net buying amounts for ShenNan Circuit, Shengxin Lithium Energy, and Aerospace Machinery totaling 146 million yuan, 109 million yuan, and 85.18 million yuan respectively [7] - Stocks like XueRen Group and Biological Shares saw significant net selling through the Deep and Hong Kong Stock Connect, with amounts of 143 million yuan and 54.91 million yuan respectively [7]

Market Performance - The Shanghai Composite Index closed at 3870.28 points, up 1.19%, with a trading volume of 766.8 billion yuan [1] - The Shenzhen Component Index closed at 13224.51 points, up 2.4%, with a trading volume of 1044.325 billion yuan [1] - The ChiNext Index closed at 3175.91 points, up 3.39%, with a trading volume of 495.114 billion yuan [1] - The STAR Market 50 Index closed at 1325.33 points, up 2.47%, with a trading volume of 50.2 billion yuan [1] - The total trading volume of both markets reached 1811.125 billion yuan, an increase of 86.946 billion yuan compared to the previous trading day [1] Sector Performance - Strong performance was noted in sectors such as telecommunications, non-ferrous metals, insurance, precious metals, electronics, chemicals, power equipment, and media [2] - Concepts like CPO, lithium mining, optical communication modules, liquid cooling, copper cable high-speed connections, fluorine chemicals, PCB, and composite current collectors showed active trends [2] - The agriculture, defense, and liquor sectors experienced declines, with weaker trends in concepts like space stations, satellite internet, duty-free, rental sales, and grain [2] Fund Flow - The net outflow of main funds in the Shanghai and Shenzhen markets was 6.73 billion yuan [3] - The ChiNext saw a net outflow of 4.067 billion yuan, while the CSI 300 index experienced a net outflow of 5.145 billion yuan [4] - The telecommunications sector had the highest net inflow of main funds, amounting to 4.529 billion yuan, followed by non-ferrous metals, electronics, and power equipment [4] Individual Stock Performance - A total of 2117 stocks saw net inflows of main funds, with 93 stocks receiving over 100 million yuan in net inflows [5] - The stock with the highest net inflow was Zhongji Xuchuang, with 1.426 billion yuan, followed by Xinyi Sheng, Shenghong Technology, Tianfu Communication, and others [6] - Conversely, 3043 stocks experienced net outflows, with 75 stocks seeing over 100 million yuan in net outflows [7] - The stock with the highest net outflow was Pingtan Development, with 1.459 billion yuan, followed by Yonghui Supermarket, Aerospace Development, and others [8] Institutional Activity - Institutional seats had a net buy of approximately 471 million yuan, with 16 stocks being net bought and 11 stocks being net sold [9] - The stock with the highest net buy from institutions was Juguang Technology, with about 291 million yuan [10] - The stock with the highest net sell was Yingweike, with approximately 22 million yuan, followed by Xue Ren Group, Guangxun Technology, and others [11]

Market Overview - On December 17, the Shanghai Composite Index rose by 1.19%, the Shenzhen Component Index increased by 2.4%, and the ChiNext Index surged by 3.39% [2] - A total of 46 stocks appeared on the "Dragon and Tiger List" due to significant market movements, with the highest net inflow of funds recorded for Shenzhen South Circuit (002916.SZ) at 268 million yuan [2][3] Stock Performance - Shenzhen South Circuit saw a net purchase of 268 million yuan, accounting for 7.32% of the total trading volume, and closed up by 10% with a turnover rate of 2.6% [3][5] - The stock with the highest net outflow was Snowman Group (002639.SZ), which experienced a net sell-off of 394 million yuan, representing 6.64% of the total trading volume, and closed up by 2.72% with a turnover rate of 46.68% [3][6] Institutional Activity - Institutions were active in 31 stocks on the Dragon and Tiger List, with a total net purchase of 467 million yuan, comprising 18 net buys and 13 net sells [6] - The stock with the highest net purchase by institutions was Juguang Technology (688167.SH), which closed up by 17.34% with a turnover rate of 12.9% [7] Northbound Capital Flow - Northbound funds participated in 16 stocks on the Dragon and Tiger List, with a total net purchase of 51.17 million yuan, including a net buy of 14.59 million yuan for Shenzhen South Circuit [12] - The highest net sell for Northbound funds was also for Snowman Group, amounting to 14.3 million yuan [12] Common Trends - Both institutions and Northbound funds collectively net bought Shenzhen South Circuit, Shengxin Lithium Energy, and Huabao Cable, while they net sold Yingwei Technology, Biological Shares, and Snowman Group [14] - Divergence was noted in stocks like Guangxun Technology and Huaren Health, where institutions sold while Northbound funds bought [14]

Group 1 - The core viewpoint of the article highlights the significant net buying and selling activities of stocks on December 17, with specific focus on the stocks that appeared on the trading leaderboard [1] - Among the stocks with net buying, ShenNan Circuit had the highest net purchase amount of 146 million yuan, followed by Shengxin Lithium Energy with 109 million yuan, Aerospace Machinery with 85.18 million yuan, and Guangxun Technology with 66.42 million yuan [1] - The stocks with the highest net selling included XueRen Group with a net selling amount of 143 million yuan, followed by Biological Shares with 54.91 million yuan and Juguang Technology with 53.47 million yuan [1]

Summary of Key Points Core Viewpoint - On December 17, a total of 32 stocks were involved with institutional investors, with 18 showing net buying and 14 showing net selling. Group 1: Institutional Net Buying - The top three stocks with the highest net buying by institutions were: - Juguang Technology: Net buying amount of 291.32 million yuan, with a price increase of 17.34% [1][2] - ShenNan Circuit: Net buying amount of 173.44 million yuan, with a price increase of 10.00% [1][2] - Hualing Cable: Net buying amount of 124.66 million yuan, with a price increase of 5.21% [1][2] Group 2: Institutional Net Selling - The top three stocks with the highest net selling by institutions were: - Yingweike: Net selling amount of 220.25 million yuan, with a price increase of 10.00% [1][3] - XueRen Group: Net selling amount of 140.22 million yuan, with a price increase of 2.72% [1][3] - Guangxun Technology: Net selling amount of 124.14 million yuan, with a price increase of 10.01% [1][3]

12月17日，沪指涨1.19%，深成指涨2.4%，创业板指涨3.39%。全市场成交额1.83万亿元，超3600股上涨。能源金属、算力硬件、电池、保险等板块涨幅居 前，海南、军工等下跌。 焦点股方面，零售股百大集团晋级5连板，实控人变更的胜通能源4连板、皮阿诺3连板，智能驾驶概念股三羊马3连板，钧达股份、金圆股份（维权）4天2 板，浙江世宝、翠微股份等2连板。 | 代码 | 名称 | 价格 | | 涨幅量 | 换手% 几天几板 2 ... | 成交额 | 成交量 涨停分析 | | --- | --- | --- | --- | --- | --- | --- | --- | | 301123 | 奕东电子 | 52.78 | +8.80 | +20.01% | 18.13% 百板涨停 | 15.347. | 29.93万 液冷+AI服务器 | | 301205 | 联特科技 | 174.00 +29.00 | | +20.00% | 30.14% 自板涨停 | 32.747. | 20.49万 CPO+800G、1. | | 300221 | 古鳌科技 | 16.80 | +2.80 | +20.00% | 1 ...

证券日报网讯 12月16日，雪人集团在互动平台回答投资者提问时表示，公司业务和业绩具体情况敬请 关注公司发布在指定媒体的公告与定期报告。 （文章来源：证券日报） ...