连续15涨停为何再关“小黑屋”？

Core Viewpoint - Tianpu Co., Ltd. has experienced a remarkable stock price surge, with a 320% increase and 15 consecutive trading limits, despite regulatory scrutiny and fundamental business performance that does not justify such a rise [1][3][4]. Company Overview - Tianpu Co., Ltd. specializes in the research, production, and sales of polymer fluid pipeline systems and sealing system components for automobiles, including various hoses and assemblies [4]. - As of September 23, the company reported a dynamic price-to-earnings (P/E) ratio of 660.31, earnings per share of 0.08 yuan, static P/E ratio of 451.23, total revenue of 151 million yuan (down 3.44% year-on-year), net profit of 11 million yuan (down 16.08% year-on-year), net asset value per share of 6.03 yuan, and a gross margin of 34.68% [4]. Recent Developments - The stock price surge is attributed to an external investment, where Tianpu's controlling shareholder is transferring shares to AI chip developer Zhonghao Xinying, which will lead to a change in control [5]. - Following the stock's volatility, Tianpu announced a trading suspension for further investigation to protect investor interests, highlighting the risk of the stock price deviating significantly from its fundamental value [3][6]. Market Activity - On September 23, significant trading activity was noted, with top buying seats showing investments below 1 million yuan, while some speculative investors appeared to exit the stock, anticipating further regulatory actions [5]. - The stock has attracted attention as an AI concept stock, leading to increased participation from institutions, retail investors, and speculative traders [5].