Ge Long Hui·2026-01-28 00:07Market Overview - On January 27, the Shanghai Composite Index rose by 0.18%, the Shenzhen Component Index increased by 0.09%, and the ChiNext Index gained 0.71%. The total market turnover was 2.92 trillion yuan, a decrease of 359.2 billion yuan compared to the previous trading day, with over 3,400 stocks declining [1] - Key sectors that performed well included precious metals, cultivated diamonds, photovoltaic equipment, insurance, and CPO [1] Individual Stocks Performance - In the precious metals sector, silver stocks saw significant gains with multiple stocks hitting consecutive trading limits, including Baiyin Youse with six consecutive limits, Sichuan Gold with five limits in nine days, and Zhao Jin Gold with four limits in seven days [3] - The top three net buying stocks on the Dragon and Tiger list were Pingtan Development, Dongxin Co., and Huatiankeji, with net purchases of 9.31 billion yuan, 7.82 billion yuan, and 6.14 billion yuan respectively [4] - The top three net selling stocks were China Uranium Industry, Dongfang Risen, and Hongbaoli, with net sales of 4.38 billion yuan, 3.94 billion yuan, and 2.52 billion yuan respectively [5] Company Highlights - Pingtan Development: The company is located in the Pingtan Comprehensive Experimental Zone, which has been elevated to a national strategic development platform. It has established a "forest board integration" industrial chain with an annual production capacity exceeding 500,000 cubic meters [6] - Dongxin Co.: The company expects a revenue of approximately 921 million yuan in 2025, a year-on-year increase of 43.75%. The storage segment has become profitable due to the recovery of prices for AI-driven small-capacity storage chips [7] - Huatiankeji: The company is in the process of acquiring 100% of Huayi Microelectronics, which is a leading power device company in Shaanxi Province. The acquisition aims to expand its power device packaging and testing business [9] - Hongjing Technology: The company plans to raise 1.29 billion yuan for the construction and operation of an intelligent computing cluster project, which will add approximately 3,000P of computing power [10] Trading Dynamics - Hongjing Technology: Closed at 98.1 yuan with a 20% increase, showing a significant trading volume of 27.87 billion yuan and a net institutional purchase of 2.31 billion yuan [11] - Xiaocheng Technology: Closed at 58.83 yuan with an 11.21% increase, with a trading volume of 44.63 billion yuan and a net institutional purchase of 1.42 billion yuan [11] - Zhaojin Gold: Closed at 23.57 yuan with a 9.99% increase, with a trading volume of 30.25 billion yuan and a net institutional purchase of 1.23 billion yuan [11] Institutional Activity - The Dragon and Tiger list showed that Dongxin Co. had the highest net buying amount among stocks involved with the Shanghai Stock Connect, totaling 4.62 billion yuan [15] - For the Shenzhen Stock Connect, Sidik had the highest net buying amount at 1.76 billion yuan [16] - Various trading strategies were observed, with significant net buying in stocks like Huatiankeji and Pingtan Development by different trading groups [17]