券商中国·2026-02-08 10:00Core Viewpoint - The article highlights the ongoing enthusiasm of institutional investors in A-share listed companies, with significant stock price increases observed in several companies following recent institutional research activities [3]. Group 1: Institutional Research and Stock Performance - As of February 6, 113 A-share listed companies disclosed institutional investor research records, with 50% of these companies experiencing stock price increases [3]. - Notable stock performers include ZeRun New Energy with a 70.84% weekly increase, followed by Euro-Lai New Materials at 32.25%, and Triangle Defense at 19.14% [3]. - Companies such as ZeRun New Energy, Euro-Lai New Materials, and Guoneng Rixin have recently reached historical stock price highs [3]. Group 2: Company-Specific Developments - Naipu Mining Machine terminated its investment in overseas mining projects, citing significant changes in equity transfer conditions and increased risks associated with Colombia's political and economic environment [5]. - The total investment amount for the terminated project was $146 million (approximately 1.02 billion RMB), representing 56% of Naipu's net assets [5]. - Naipu plans to focus on strengthening its core business in mineral processing and will consider investment opportunities in stable regions like Central Asia and Southeast Asia [5]. Group 3: Market Trends and Customer Insights - Naipu Mining Machine noted a significant increase in downstream customers' willingness to increase capital expenditures, driven by the production ramp-up of Zijin's Jilong Copper Mine [6]. - The processing capacity of the mine is expected to increase from 45 million tons to over 105 million tons, positively impacting Naipu's sales of complete machines and aftermarket consumables [6]. Group 4: Ringxu Electronics' Performance - Ringxu Electronics reported a 5.3% quarter-over-quarter decline in Q4 2025 revenue, with a year-over-year decline of 6.8%, primarily due to decreased material procurement costs and a downturn in the automotive and electronics sectors [7]. - The company anticipates growth in AI accelerator card revenues, driven by strong demand from CSP customers, and is actively engaging with clients for AI server motherboard opportunities [7]. - Ringxu believes that rising storage prices will enhance the competitiveness of its major clients' products in the consumer electronics market [7]. Group 5: Dajin Heavy Industry's Offshore Base - Dajin Heavy Industry hosted 109 institutional investors to discuss its offshore engineering base, which aims to become a world-class factory for large-scale offshore wind foundation structures [9]. - The base will have an annual design capacity of 500,000 tons and will address industry challenges related to high costs and low delivery efficiency in offshore wind development [9]. - Dajin plans to enhance local assembly capabilities and service levels through its overseas terminal layout in Denmark, Germany, and Spain, improving project delivery and profitability [9].