QA(SH:603758) Xin Lang Cai Jing·2025-12-01 11:28Core Viewpoint - Qin'an Co., Ltd. announced a significant stock price fluctuation, with a cumulative increase of 20.53% over three consecutive trading days from November 27 to December 1, 2025, indicating abnormal trading activity [1] Group 1: Stock Performance - The company's stock price experienced a cumulative increase of 20.53% during the specified trading period, which is classified as an abnormal fluctuation according to the Shanghai Stock Exchange trading rules [1] Group 2: Acquisition Details - The company plans to acquire 99% of Yigao Optoelectronics through a cash transaction, which requires approval from the second extraordinary general meeting of shareholders scheduled for December 3, 2025 [1] - The completion of the acquisition is contingent upon meeting certain preconditions, introducing uncertainty regarding the successful execution of the transaction [1]