Core Viewpoint - Two A-share companies, 聚石化学 and 豪尔赛, have been investigated by the China Securities Regulatory Commission (CSRC) for suspected violations of information disclosure laws [2][5]. Group 1: 聚石化学 (688669) - On November 21, 2025, 聚石化学 received a notice from the CSRC regarding the investigation for suspected information disclosure violations [2]. - The company reported a revenue of 987 million yuan in Q3 2025, a year-on-year decrease of 0.81%, with a net profit attributable to shareholders of 2.89 million yuan [4]. - 聚石化学 specializes in the research, production, and sales of new chemical materials, with products used in various industries including automotive, electronics, and healthcare [4]. Group 2: 豪尔赛 (002963) - 豪尔赛 also received a notice from the CSRC for suspected information disclosure violations [5]. - The company reported a revenue of 107 million yuan in Q3 2025, a year-on-year increase of 31.34%, and a net profit attributable to shareholders of 7.40 million yuan, a significant increase of 599.72% [8]. - 豪尔赛 focuses on technology innovation in areas such as smart lighting and digital twin networks, and has been under scrutiny due to previous issues related to corporate governance and internal controls [7][8].