披露收购前华立股份和标的股票同时大涨，须严查是否涉嫌内幕交易

Core Viewpoint - The acquisition of a 19% stake in Shenghui Clean by Huali Co., Ltd. for HKD 47.5 million has raised regulatory concerns due to unusual stock price movements prior to the announcement, with Huali's stock hitting the daily limit and Shenghui Clean's stock surging by 26.19% on the same day [1][3]. Group 1: Stock Price Movements - The stock price of Shenghui Clean began to rise significantly before the acquisition agreement was publicly disclosed, which is an unusual occurrence [2]. - On the day of the announcement, Shenghui Clean's stock rose by over 15% in the morning and approached a 30% increase in the afternoon, while Huali Co. also experienced a strong surge, closing at the daily limit [3]. Group 2: Acquisition Pricing Concerns - The acquisition price represents a significant discount, with an approximately 87% discount compared to the market value of the 19% stake, which is around HKD 393 million [4]. - The acquisition price is lower than Shenghui Clean's historical lowest price and below its net asset value per share, indicating a "broken net" acquisition [4]. Group 3: Regulatory Scrutiny - The unusual stock price movements have prompted the Shanghai Stock Exchange to issue an inquiry letter, requesting Huali Co. to disclose specific timelines and participant details related to the acquisition [5]. - The regulatory body is investigating potential insider trading, as the timing of stock price increases raises questions about the transparency of information disclosure [6].