盛洋科技股价波动下行，投资布局通信技术领域

Group 1 - The stock price of Shengyang Technology (603703) has shown a downward trend, closing at 14.45 yuan on February 12, with a daily decline of 0.48% and a cumulative drop of 1.37% over the past five days [1] - There has been a continuous net outflow of main funds, with net outflows of 20.56 million yuan on February 5, 18.87 million yuan on February 11, and 7.05 million yuan on February 12, indicating a persistent selling pressure, although the outflow has slightly eased [1] - The turnover rate has remained in the range of 1.95% to 2.22%, suggesting relatively active market trading [1] Group 2 - On February 8, Shengyang Technology acquired a 51% stake in Guangdong Hongdian Technology Co., Ltd., which has a registered capital of 20 million yuan and primarily engages in research and experimental development, potentially strengthening the company's position in the communication technology sector [2] - On February 9, the company announced on its interactive platform that it will focus on its main business, standardize operations, and continuously improve operational quality and information disclosure transparency to address investor concerns [2]