4个月股价涨幅超700%，这只牛股被查

Core Viewpoint - Tianpu Co., Ltd. experienced a dramatic stock price surge of 718.39% from late August 2025 to December 2025, despite no performance growth, asset injections, or business transformation announcements, leading to a dynamic P/E ratio exceeding 898 times [2][3] Group 1: Stock Price Movement - From August 23, 2025, Tianpu's stock price rose from approximately 27 CNY per share to 218.02 CNY per share by December 30, 2025, marking a cumulative increase of 718.39% [5] - The company issued 11 announcements regarding abnormal stock trading fluctuations during this period, with 2 instances triggering severe abnormal fluctuation standards [5] Group 2: Regulatory Investigation - On January 9, 2026, the China Securities Regulatory Commission (CSRC) initiated an investigation into Tianpu Co., citing significant omissions in the company's announcements related to abnormal stock trading [3][4] - The CSRC's investigation highlights concerns regarding information disclosure deficiencies, which impact not only Tianpu but also broader issues of effective communication and regulatory response mechanisms in the A-share market [3] Group 3: Company Background and Ownership Changes - Tianpu Co., Ltd. primarily operates in the automotive rubber hose and fluid pipeline system sector, with a reported net profit of 33.066 million CNY for the entire year of 2024, indicating a long-standing position as a low-valuation, low-volatility traditional manufacturing entity [3] - The stock price surge was largely attributed to market speculation surrounding its new controlling shareholder, Zhonghao Xinying, an AI chip company, despite Tianpu's clarifications that it had not engaged in AI-related business or planned any technology, personnel, or asset injections [4]