今日十大热股：英维克液冷概念领衔，商业航天概念神剑股份4天4板，保变电气特高压题材爆发

Core Viewpoint - The A-share market experienced slight gains on December 23, with the Shanghai Composite Index rising by 0.07% to 3919.98 points, and a total trading volume of 1.90 trillion yuan, indicating increased market activity [1]. Group 1: Market Performance - The three major A-share indices saw minor increases, with the Shenzhen Component Index up by 0.27% and the ChiNext Index up by 0.41% [1]. - The total trading volume in the Shanghai and Shenzhen markets was 1.90 trillion yuan, an increase of approximately 378.96 billion yuan compared to the previous trading day [1]. - A total of 1479 stocks rose while 3603 stocks fell, indicating a predominance of declining stocks [1]. Group 2: Popular Stocks - The top ten popular stocks included Yingweike, Shenjian Co., Baobian Electric, Pingtan Development, Dongcai Technology, Duofluo, Dongbai Group, Hainan Development, Tianji Co., and Chuangyuan Technology [1][2]. - Yingweike gained attention due to its leadership in liquid cooling server technology, driven by the increasing demand in the AI sector [3]. - Shenjian Co. is recognized for its involvement in military-civilian integration and commercial aerospace, with a significant profit increase of 153.4% year-on-year [3]. - Baobian Electric is highlighted for its strong position in the high-voltage transformer market, with a market share of approximately 30% and significant revenue growth [3]. - Pingtan Development benefits from policy support for cross-strait integration and is seen as a leading stock in this sector [4]. - Dongcai Technology is noted for its involvement in multiple hot sectors, including PCB materials and AI server supply chains [4]. - Duofluo's stock performance is bolstered by rising prices of lithium hexafluorophosphate and advancements in sodium-ion battery technology [4]. - Dongbai Group's retail business aligns well with policies aimed at boosting domestic demand [4]. - Hainan Development is positively impacted by the launch of the Hainan Free Trade Port, benefiting from tax incentives [5]. - Tianji Co. is recognized for its role in the lithium hexafluorophosphate market and the growing demand for new energy [5]. - Chuangyuan Technology is involved in the supply of core components for industrial robots, attracting attention due to its connections with Tesla and aerospace sectors [5].