Ge Long Hui A P P·2025-12-24 10:09Market Overview - On December 24, the trading volume of the Shanghai and Shenzhen stock markets reached 1.88 trillion yuan, a decrease of 19.6 billion yuan compared to the previous trading day [1] - Sectors such as commercial aerospace, computing hardware, and PCB concepts saw significant gains, while precious metals, insurance, and dairy sectors experienced declines [1] Stock Performance - Notable gainers included: - Shengtong Energy (+9.99%, 34.79 yuan) with a control change and consecutive gains [2] - Jiamei Packaging (+10.07%, 8.09 yuan) also benefiting from a control change [2] - Zhejiang Shibao (+10.02%, 20.42 yuan) linked to L3 autonomous driving and intelligent steering [2] - Shenjian Co. (+10.01%, 10.88 yuan) associated with commercial aerospace and polyester resin [2] - Other stocks with notable performance included Hainan Development (+10.01%, 19.35 yuan) and Huazhong Holdings (+9.95%, 6.74 yuan) [2][3] Trading Dynamics - The top three net purchases on the daily leaderboard were: - Tianyin Electric with a net purchase of 344 million yuan [5] - Tianji Co. with a net purchase of 282 million yuan [5] - Tongyu Communications with a net purchase of 262 million yuan [5] - Conversely, the top three net sales were: - Xue Ren Group with a net sale of 205 million yuan [6] - Zhangyuan Tungsten with a net sale of 162 million yuan [6] - Zhongguang Lightning with a net sale of 106 million yuan [6] Sector Highlights - Tianyin Electric is involved in commercial aerospace and has recently completed batch deliveries of star sensors for low-orbit satellite networks [9] - Tongyu Communications is focused on satellite communication and has established a comprehensive product system covering the entire satellite communication chain [13] Institutional Activity - Institutional net purchases were significant for: - Tianyin Electric with 496 million yuan [17] - Tongyu Communications with 214 million yuan [17] - Notable net sales included: - Zhangyuan Tungsten with 164 million yuan [17] - Delicate Co. with 471 million yuan [17]