Sitime (300456.SZ): The current core business is the development of MEMS processes and wafer manufacturing. The short-term impact on the company's performance and industry chain support may be limited.

Intelligent Financial News APP: China's Saic Microelectronics (300456.SZ) announced that the closing price of the company's stock deviated by more than 100% cumulatively over the past ten trading days (November 18, 2025, to December 2, 2025), which constitutes a serious abnormal fluctuation in stock trading according to the rules of the Shenzhen Stock Exchange. The company's core business currently focuses on MEMS process development and wafer manufacturing, which has long cycles and heavy asset characteristics. The climb in production capacity utilization and yield rate must follow objective laws, and the accumulation and development of the business require an objective process and time. The company's investment activities initiated this year are mainly focused on medium- to long-term layout, with limited short-term impact on the company's performance and industry chain support, and the medium- to long-term effects are still pending observation. There have been no major changes in the company's operations or internal and external operating environments recently.