股市必读:同大股份(300321)12月29日主力资金净流出2034.48万元

Summary of Key Points Core Viewpoint - The company, Shandong Tongda Island New Materials Co., Ltd., has engaged in financial activities involving the use of idle funds for government bond reverse repos, indicating a strategy to optimize cash management while maintaining operational stability [1]. Trading Information - On December 29, 2025, the stock price of Tongda shares closed at 45.31 yuan, down by 2.2%, with a turnover rate of 3.01% and a trading volume of 26,700 shares, resulting in a transaction amount of 123 million yuan [1]. - The net outflow of main funds on the same day was 20.34 million yuan, while retail investors saw a net inflow of 12.25 million yuan [2]. Company Announcements - On December 19, 2025, the company utilized 80 million yuan of idle funds to purchase government bond reverse repos, with all principal and earnings fully recovered [1]. - On December 29, 2025, the company continued to invest 60 million yuan of idle funds in GC028 government bond reverse repos, with a term of 28 days and an annualized yield of 1.645% [1][2]. - The investment decision was approved by the sixth board of directors and the sixth supervisory board, and the company has established internal management systems to ensure fund safety without affecting its main business and financial status [1].