12连板大牛股再度提示风险，上交所：对部分投资者暂停账户交易

Core Viewpoint - Tianpu Co., Ltd. has experienced significant stock price fluctuations, with a 12-day consecutive limit-up, leading to a cumulative increase of 213.81% from August 22 to September 18, raising concerns about potential trading risks and market manipulation [3][4]. Group 1: Stock Performance - Tianpu Co., Ltd. resumed trading on September 18 and hit the limit-up again, marking a total of 12 consecutive limit-up days, with the closing price at 83.6 yuan per share [1]. - The stock price has shown extreme volatility, prompting the Shanghai Stock Exchange to issue warnings about abnormal trading behaviors and the potential for market manipulation [3][4]. Group 2: Risk Warnings - Tianpu Co., Ltd. issued a risk warning stating that the stock price has deviated significantly from the company's fundamentals, indicating a high risk of rapid decline in the future [3][4]. - The company has repeatedly released risk warning announcements and has been subject to trading suspensions for verification due to abnormal trading activities [4]. Group 3: Control Change Announcement - The surge in Tianpu Co., Ltd.'s stock price is attributed to the announcement of a change in control, where the actual controller plans to transfer control through a series of agreements and capital increases [4]. - The company cautioned that if any insider trading or market manipulation is detected, the transaction may be terminated, urging investors to be aware of this risk [4]. Group 4: Related Companies' Risk Warnings - Other companies, such as Shoukai Co. and Shanghai Construction, have also issued risk warnings due to significant increases in their stock prices, with Shoukai Co. experiencing a cumulative increase of 100% from September 3 to September 12 [5]. - Shanghai Construction reported a 61% increase in stock price over five trading days, highlighting the potential for irrational market behavior and increased trading risks [5].