Market Overview - On December 19, the Shanghai Composite Index closed at 3890.45 points, up 0.36%, with a trading volume of 738.1 billion yuan. The Shenzhen Component Index closed at 13140.21 points, up 0.66%, with a trading volume of 987.849 billion yuan. The ChiNext Index closed at 3122.24 points, up 0.49%, with a trading volume of 444.704 billion yuan. The total trading volume of both markets was 1.725949 trillion yuan, an increase of 70.462 billion yuan compared to the previous trading day [1]. Sector Performance - Various sectors showed positive performance, with retail, real estate, light industry manufacturing, environmental protection, education, steel, textile and apparel, and automotive sectors leading the gains. Concepts such as duty-free, Hainan Free Trade Zone, rental and sale rights, dairy, beer, community group buying, superconductors, and controllable nuclear fusion were notably active. Conversely, banking, precious metals, and electronics sectors experienced declines [2]. Fund Flow Analysis - The main funds in the Shanghai and Shenzhen markets experienced a net outflow of 4.444 billion yuan, with the ChiNext seeing a net outflow of 3.881 billion yuan. However, the CSI 300 index saw a net inflow of 0.988 billion yuan, and the Sci-Tech Innovation Board had a net inflow of 0.925 billion yuan. Among the 31 primary industries, 12 sectors had net inflows, with the automotive sector leading at 2.348 billion yuan [3]. Individual Stock Performance - A total of 2077 stocks saw net inflows, with 83 stocks receiving over 1 billion yuan in net inflows. The stock with the highest net inflow was Xue Ren Group, with 1.379 billion yuan, followed by Shan Zi Gao Ke, Aerospace Development, N You Xun, Gan Feng Lithium, and Salt Lake Co., with net inflows of 1.059 billion yuan, 0.928 billion yuan, 0.748 billion yuan, 0.641 billion yuan, and 0.473 billion yuan respectively [5]. Major Sell-offs - There were 3085 stocks that experienced net sell-offs, with 72 stocks seeing over 1 billion yuan in net outflows. The stock with the highest net outflow was Meinian Health, with 0.942 billion yuan, followed by Saiwei Electronics, Shunhao Co., Shenghong Technology, and Xiangnan Chip, with net outflows of 0.719 billion yuan, 0.545 billion yuan, 0.500 billion yuan, and 0.481 billion yuan respectively [7]. Institutional Activity - According to the post-market data, institutional investors had a net sell of approximately 27.7851 million yuan, with 11 stocks seeing net purchases and 12 stocks experiencing net sales. The stock with the highest net purchase was Aerospace Intelligence, with 90.6183 million yuan, followed by Shan Zi Gao Ke, West Materials, and Hua Ren Health [9][10].

Group 1: Market Overview - The total trading amount for the Shanghai Stock Connect was 940.49 billion, while the Shenzhen Stock Connect reached 1,048.92 billion [2] - The top traded stocks on the Shanghai Stock Connect included Zhaoyi Innovation with 23.86 billion, followed by Sanfang Qianhe and Luoyang Copper with 16.87 billion and 15.55 billion respectively [3] - On the Shenzhen Stock Connect, the leading stock was Zhongji Xuchuang with 26.44 billion, followed by Sunshine Power and New Yisheng with 26.09 billion and 25.89 billion respectively [3] Group 2: Sector Performance - Sectors such as Hainan, dairy, and retail showed significant gains, while precious metals and semiconductors experienced declines [4] - The mechanical equipment sector led in net inflow of funds with 38.67 billion, followed by non-ferrous metals and transportation equipment with 35.32 billion and 31.28 billion respectively [5] - The electronic sector had the highest net outflow of funds at -57.70 billion, followed by semiconductors and pharmaceuticals with -30.20 billion and -17.73 billion respectively [6] Group 3: Individual Stock Activity - The top stocks with net inflow included Xue Ren Group with 13.84 billion, followed by N Youxun and Shanzi Gaoke with 13.69 billion and 10.55 billion respectively [7] - The stocks with the highest net outflow were Meinian Health at -9.05 billion, followed by Shenwei Electronics and C Muxi-U with -6.98 billion and -6.81 billion respectively [8] Group 4: ETF Trading - The top ETFs by trading amount included A500 ETF Huatai Baichuan with 133.655 billion, and Hong Kong Securities ETF with 104.353 billion, showing increases of 7.50% and 18.61% respectively [9] - The ETFs with the highest growth in trading amount compared to the previous trading day included Hengsheng Dividend Low Volatility ETF with 183.92% increase and Industrial Nonferrous ETF with 140.82% increase [10] Group 5: Futures Market - In the futures market, all four major index contracts (IH, IF, IC, IM) saw both long and short positions increase, with IF and IM contracts showing a higher number of short position increases [11] Group 6: Institutional and Retail Activity - Institutional activity showed a decrease compared to the previous day, with notable purchases in Aerospace Intelligence and Shanzi Gaoke, while significant sales were observed in Meinian Health and Xue Ren Group [12][13] - Retail investors were active, with significant buying in Xue Ren Group and Shanzi Gaoke, while selling was noted in Huaren Health and other stocks [14][15]

雪人集团今日涨停，全天换手率49.65%，成交额65.40亿元，振幅2.31%。龙虎榜数据显示，机构净卖出 5547.36万元，深股通净买入2849.85万元，营业部席位合计净卖出2203.10万元。 深交所公开信息显示，当日该股因日涨幅偏离值达9.01%、日换手率达49.45%上榜，机构专用席位净卖 出5547.36万元，深股通净买入2849.85万元。 证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交16.34亿元，其中，买入成交额为7.92亿 元，卖出成交额为8.41亿元，合计净卖出4900.62万元。 雪人集团12月19日交易公开信息 | 买/ | 会员营业部名称 | 买入金额（万 | 卖出金额（万 | | --- | --- | --- | --- | | 卖 | | 元） | 元） | | 买一 | 国泰海通证券股份有限公司上海静安区新闸路证券营业 部 | 20096.12 | 1.01 | | 买二 | 国盛证券有限责任公司杭州建设三路证券营业部 | 15527.71 | 78.65 | | 买三 | 深股通专用 | 15186.99 | 12337.14 | | 买四 | 国泰海通证券 ...

截至12月19日收盘，可控核聚变概念上涨2.89%，位居概念板块涨幅第8，板块内，93股上涨，理工光 科20%涨停，四创电子、王子新材、百利电气等涨停，宏微科技、哈焊华通、常辅股份等涨幅居前，分 别上涨12.30%、7.84%、7.46%。跌幅居前的有洁美科技、长光华芯、炬光科技等，分别下跌6.03%、 4.31%、3.24%。 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（%） | | --- | --- | --- | --- | | 海南自贸区 | 5.33 | 光刻机 | -0.73 | | 乳业 | 3.73 | 存储芯片 | -0.64 | | 免税店 | 3.35 | 国家大基金持股 | -0.56 | | 租售同权 | 3.20 | F5G概念 | -0.44 | | 土地流转 | 3.13 | 共封装光学(CPO) | -0.39 | | 自由贸易港 | 2.96 | 中芯国际概念 | -0.06 | | 啤酒概念 | 2.93 | 先进封装 | -0.06 | | 可控核聚变 | 2.89 | WiFi 6 | -0.02 | | 物业管理 | 2.8 ...

沪指12月19日上涨0.36%，申万所属行业中，今日上涨的有28个，涨幅居前的行业为商贸零售、综合， 涨幅分别为3.66%、2.22%。机械设备行业今日上涨1.18%。跌幅居前的行业为银行、电子、煤炭，跌幅 分别为0.44%、0.29%、0.29%。 资金面上看，两市主力资金全天净流入70.25亿元，今日有18个行业主力资金净流入，机械设备行业主 力资金净流入规模居首，该行业今日上涨1.18%，全天净流入资金38.84亿元，其次是汽车行业，日涨幅 为1.47%，净流入资金为35.17亿元。 主力资金净流出的行业有13个，电子行业主力资金净流出规模居首，全天净流出资金46.40亿元，其次 是医药生物行业，净流出资金为15.79亿元，净流出资金较多的还有银行、国防军工、交通运输等行 业。 机械设备行业今日上涨1.18%，全天主力资金净流入38.84亿元，该行业所属的个股共531只，今日上涨 的有449只，涨停的有9只；下跌的有74只。以资金流向数据进行统计，该行业资金净流入的个股有248 只，其中，净流入资金超亿元的有11只，净流入资金居首的是雪人集团，今日净流入资金15.62亿元， 紧随其后的是航天动力、航天工 ...

具体来看，沪指盘中震荡走高，一度收复3900点；创业板指盘中涨超1%。截至收盘，沪指涨0.36%报3890.45点，深证成指涨0.66%，创业板指涨 0.49%，北证50指数涨约1%，沪深北三市合计成交17489亿元，较此前一日增加逾700亿元。 全A近4500股飘红，地产板块走高，中天服务斩获3连板；乳业股集体上扬，庄园牧场连续3日涨停；海南自贸概念午后爆发，中国中免盘中触及涨停；可控 核聚变概念崛起，理工光科、雪人集团等涨停。此外，多只热门股持续飙升，胜通能源、浙江世宝分别收获6连板和4连板，西部材料近11日斩获6板。但部 分牛股尾盘突然异动，如平潭发展（000592）、合富中国（603122）、东百集团（600693）等直线跳水。 另外，今日登陆科创板的优迅股份表现亮眼，收盘大涨346.6%报230.7元/股，盘中最高攀升至289元/股涨近460%，以盘中最高价计算，该股单签最高盈 利达11.87万元。 海南自贸概念爆发 海南自贸概念午后大幅飙升，截至收盘，康芝药业涨超11%，海南瑞泽、海南海药、海汽集团、海南发展等均涨停；中国中免涨超8%，盘中一度触及涨停。 19日，A股主要股指震荡上扬，市场整体活跃 ...

Market Overview - The Shanghai Composite Index showed a strong rebound today, while the ChiNext Index experienced a pullback. The consumer sector saw significant gains, with stocks like Dongbai Group and Zhuangyuan Pasture hitting the daily limit. The real estate sector also rose, with companies like Guangyu Group and Zhongtian Service reaching their daily limits. The total trading volume across Shanghai and Shenzhen markets was 1.75 trillion [1]. Hot Topics Consumer Sector - The consumer sector remained active, with stocks like Zhuangyuan Pasture achieving a three-day consecutive limit up, and Jiuzhou King and Shanghai Jiubai also performing well [4][5]. Nuclear Fusion - The nuclear fusion sector experienced a surge, with companies like Xue Ren Group and Wangzi New Materials hitting the daily limit. A merger agreement was announced between Trump Media Technology Group and TAE Technologies, valued at over $6 billion, aiming to build the world's first 50 MW fusion power plant by 2026 to meet the energy demands of AI data centers [7][8]. Autonomous Driving - The autonomous driving sector showed positive performance, with Zhejiang Shibao achieving a four-day consecutive limit up. The Ministry of Industry and Information Technology granted conditional approval for the first batch of L3 autonomous driving vehicles, marking a significant step towards commercialization [10][11]. Sector Analysis Consumer Sector - The consumer sector increased by 1.60%, driven by the central government's focus on expanding domestic demand as a top priority for next year. Key stocks included Jiuzhou King (+9.97% to 16.98 billion), Zhuangyuan Pasture (+9.99% to 13.65 billion), and Shanghai Jiubai (+10.02% to 11.09 billion) [5][6]. Nuclear Fusion - The nuclear fusion market is projected to reach approximately $20.35 billion between 2025 and 2035, with core components like magnetic structures and vacuum chambers accounting for over 50% of the market share. The demand for energy in AI data centers is expected to drive this growth significantly [9]. Autonomous Driving - The approval of L3 autonomous driving vehicles is anticipated to enhance the penetration of smart technologies in the automotive sector, benefiting the entire supply chain. The demand for sensors and high-performance computing chips is expected to rise significantly due to this development [11].

Core Viewpoint - The A-share controllable nuclear fusion sector experienced a significant surge on December 19, with the sector index reaching 2167.03 points, marking a 2.88% increase, driven by strong policy support from the Anhui provincial government [1][4]. Market Performance - The sector saw widespread gains, with leading stocks performing exceptionally well. Hongwei Technology (688711) led the market with a 14.62% increase, while Changfu Co., Ltd. (920396) rose by 11.28%. Other notable stocks included Wangzi New Materials (002735), Sichuan Chuang Electronics (600990), Baili Electric (600468), and Guotai Group (603977), all hitting the daily limit [1][2][3]. Policy Impact - The surge in the sector is attributed to the release of a significant policy document by the Anhui provincial government, which identifies nuclear fusion energy as a core focus for future industrial development, outlining specific goals and implementation paths [4][5]. - The document emphasizes the need to explore diverse technological routes and typical application scenarios, aiming to position nuclear fusion as a new economic growth point alongside other advanced technologies [4][5]. Industry Developments - Companies within the sector, such as Guotai Group, are already positioning themselves in the nuclear fusion core materials field, focusing on tantalum and niobium, which are essential for fusion superconducting cavities and RF windows [5]. - Guotai Group's subsidiaries have significant production capacities, with one subsidiary capable of producing 500 tons of tantalum and niobium compounds annually, indicating a strong foothold in the market [5]. Global Trends - The global market is witnessing increased interest in nuclear fusion, with notable cross-industry investments, such as the merger between Trump Media & Technology Group and TAE Technologies, aiming to create one of the first publicly listed nuclear fusion companies, valued at over $6 billion [7]. - This trend reflects a growing expectation for the commercialization of nuclear fusion technology and highlights the collaborative potential between new energy technologies and emerging industries like artificial intelligence [7].

早盘，可控核聚变大幅高开。宏微科技"20cm"涨停，雪人集团（002639）、王子新材（002735）等多股开盘快速涨停，常辅股份涨近16%，哈焊华通、爱 科赛博等涨幅靠前。 | 星辰科技 | 30.00 +13.29% +45.18% | | --- | --- | | 京A 920885 融 | | | 卫星通信 | | | 中国一直 | 3.83 +10.06% -1.54% | | 601106 融 | | | 首板 最终涨停 09:37 | | | 大连重工 | 7.89 +10.04% +6.91% | | 002204 融 | | | 首板 最终涨停 09:36 火箭发射 | | | 华体科技 | 19.31 +10.03% +20.01% | | 603679 | | | 2天2板 最终涨停09:25 | | | 百利电气 | 7.14 +10.02% +7.05% | | 600468 | | | 首板 最终涨停 09:36 | | （文章来源：上海证券报） | 西部材料 | | 37.72 +10.00% +30.35% | | | | | | --- | --- | --- | --- ...

编辑 ｜ 钉钉 | 代码 | 名称 | 涨幅 % v | 现价 | | --- | --- | --- | --- | | 300446 | 航天智造 | +19.05% | 26.87 | | 920943 | 优机股份 | +17.11% | 30.19 | | 688387 | 信科移 ... | +17.26% | 10.60 | | 300900 | 广联航空 | +11.28% | 27.13 | | 920885 | 星辰科技 | +10.12% | 29.16 | | 300455 | 航天智装 | +10.22% | 28.68 | | 603679 | 华体科技 | +10.03% | 19.31 | | 002639 | 雪人集团 | +10.01% | 20.34 | | 002046 | 国机精工 | +9.99% | 39.63 | | 002204 | 大连重工 | +9.48% | 7.85 | | 600468 | 百利电气 | +9.24% | 7.09 | | 002149 | 西部材料 | +9.54% | 37.56 | | 601106 | 中国一重 | +9.20 ...