ETERN(SH:600105) Xin Lang Cai Jing·2025-12-12 10:33Core Viewpoint - The company, Yongding Co., Ltd. (600105.SH), has been identified as a concept stock related to controllable nuclear fusion, but its actual involvement is limited to providing materials for magnetic coils used in fusion devices, which does not significantly impact its financial performance [1] Group 1: Company Operations - Yongding's subsidiary, Eastern Superconductor, specializes in second-generation high-temperature superconducting tapes and applications [1] - The revenue from controllable nuclear fusion-related activities accounted for less than 1% of the company's total revenue from January to September 2025, and this segment is currently operating at a loss [1] Group 2: Shareholder Activity - During the period of unusual stock trading volatility, Yongding Group, the controlling shareholder, reduced its stake by selling 1.336 million shares, representing 0.091% of the company's total share capital [1]