Swancor Advanced Materials (SH:688585) Di Yi Cai Jing·2026-01-02 02:37Market Performance - In 2025, the Shanghai Composite Index closed at 3968.84 points, marking an annual increase of 18.41%, and returning to the 4000-point level for the first time in ten years; the ChiNext Index saw a significant rise of 49.57% [1] Top Performing Stocks - The top-performing stock in 2025 was Shangwei New Materials, with a staggering cumulative increase of 1820.29%, followed by Tianpu Co., which rose by 1645.35%. Both stocks were part of the top ten gainers, all of which had gains exceeding 500% [3][4] Shangwei New Materials - Shangwei New Materials became the first tenfold stock in A-shares for 2025, with a notable rise of 1820.29%, achieving 20% daily limit increases on 16 trading days. The company, established in 1992 and listed on the Sci-Tech Innovation Board in September 2020, specializes in high-performance corrosion-resistant materials and other innovative materials. The stock price surged following the announcement of a takeover plan by Zhiyuan Robotics on July 8, 2025, which aimed to acquire at least 63.62% of the company [6][7] Tianpu Co. - Tianpu Co. experienced a remarkable increase of 1645.35%, with its stock price rising from 12 yuan to a peak of 218 yuan. The surge began after a takeover bid by Zhonghao Xinying, which was announced on August 21, 2025. The stock hit the daily limit for 15 consecutive trading days following the announcement, and by December 22, 2025, the acquisition was completed, with the acquirer controlling 68.29% of the company [7][8] *ST Yushun - *ST Yushun recorded a 719.38% increase, with 70 daily limit increases throughout the year. The stock price rose from 3.56 yuan in January 2025 to 29.17 yuan. The significant price increase was attributed to a major asset restructuring plan announced on April 22, 2025, involving a cash acquisition of a data center project, which is expected to enhance the company's asset quality and profitability [9][10]