每周股票复盘：同大股份（300321）使用6000万元购国债逆回购

Core Viewpoint - The company, Tongda Co., Ltd. (300321), has experienced a decline in stock price, closing at 45.28 yuan, down 2.27% from the previous week, with a total market capitalization of 4.021 billion yuan as of December 31, 2025 [1]. Company Announcements - The company utilized 80 million yuan of idle funds to purchase government bond reverse repos on December 19, 2025, and has fully recovered the principal and interest upon maturity [2]. - On December 29, 2025, the company invested an additional 60 million yuan in GC028 government bond reverse repos with a 28-day term and an annualized yield of 1.645% [2]. - The reverse repo transactions were approved by the company's board and supervisory committee, ensuring that these activities do not impact the company's main business or financial status [2].