Zhong Guo Zheng Quan Bao·2026-01-16 12:30Core Viewpoint - The Shanghai Stock Exchange has implemented monitoring measures for stocks with significant price fluctuations, indicating heightened trading risks for investors [1][2][4]. Group 1: Stock Monitoring and Performance - Stocks under monitoring include *ST Zhengping, *ST Yazhen, Guosheng Technology, Aerospace Power, Tianpu Co., and Shangwei New Materials due to their volatile trading patterns [1]. - *ST Zhengping experienced a cumulative decline of 14.24% over three consecutive trading days from January 12 to January 14, followed by a near limit-up on January 15 and a 4.92% drop on January 16 [1]. - *ST Yazhen saw a cumulative increase of 43.74% from December 17, 2025, to January 8, 2026, with limit-up performances on January 12 and January 16 [1]. - Guosheng Technology's stock price deviated significantly, with a cumulative increase exceeding 20% over three days from January 12 to January 14, followed by two consecutive limit-downs [1]. - Tianpu Co. faced consecutive limit-downs on January 12 and 13, a limit-down opening on January 14, and a limit-up closing on the same day, followed by a limit-down on January 15 [1]. - Shangwei New Materials has shown significant price increases since July 2025, with multiple instances of abnormal fluctuations [2]. Group 2: Regulatory Actions - The Shanghai Stock Exchange has taken self-regulatory measures against 365 instances of abnormal trading behaviors, including price manipulation and false declarations, and has conducted special investigations into 20 major corporate events [3]. - The Shenzhen Stock Exchange announced a trading suspension for certain investors of *ST Chengchang due to severe abnormal price fluctuations, with the stock experiencing a 190.89% increase since December 1, 2025 [4][5]. - From January 12 to January 16, the Shenzhen Stock Exchange addressed 387 instances of abnormal trading behaviors and conducted investigations into 15 major corporate events, reporting five suspected illegal activities to the regulatory authority [5].