Yingxin Development: Stock trading experiencing abnormal fluctuations, uncertainty in acquisition matters

Yingxin Development announced that the company's stock had a cumulative deviation of more than 20% in closing prices on November 14th and 17th, 2025, two consecutive trading days, which was considered abnormal volatility. After verification, there were no corrections or supplements to the company's previous disclosure information, no major undisclosed information reported by the public media, no significant changes in the operating environment, and no undisclosed major matters by the controlling shareholders or actual controllers. During the abnormal fluctuation period, the company did not buy or sell its own stocks. The company is planning to acquire the controlling rights of Guangdong Changxing Semiconductor on October 22nd, which is currently an intention agreement, and the transaction has uncertainties.