日海智能跌2.05%，成交额2.89亿元，主力资金净流出47.47万元

Group 1 - The core viewpoint of the news is that 日海智能's stock has experienced fluctuations, with a year-to-date increase of 52.42% but a recent decline of 6.79% over the past five trading days [1] - As of September 18, 日海智能's stock price is reported at 11.95 yuan per share, with a total market capitalization of 4.474 billion yuan [1] - The company has seen a net outflow of 474,700 yuan in principal funds, with significant buying and selling activity from large orders [1] Group 2 - 日海智能, established on November 14, 2003, and listed on December 3, 2009, is primarily engaged in wireless communication modules, communication infrastructure, and engineering services [2] - The revenue composition of 日海智能 includes 65.95% from wireless communication modules, 18.41% from communication engineering services, and 13.65% from communication infrastructure [2] - As of June 30, the number of shareholders is reported at 44,100, a decrease of 2.95% from the previous period [2] Group 3 - For the first half of 2025, 日海智能 reported a revenue of 1.314 billion yuan, a year-on-year decrease of 18.51%, and a net profit attributable to shareholders of -43.49 million yuan, a decrease of 14.40% [2] - Since its A-share listing, 日海智能 has distributed a total of 178 million yuan in dividends, with no dividends paid in the last three years [3]