实达集团跌2.20%，成交额6.30亿元，主力资金净流出5556.04万元

Group 1 - The core point of the news is that Fujian Sida Group's stock has experienced fluctuations, with a recent decline of 2.20% and a total market value of 10.674 billion yuan [1] - As of January 19, the stock price is reported at 4.90 yuan per share, with a trading volume of 630 million yuan and a turnover rate of 5.86% [1] - Year-to-date, the stock has increased by 6.52%, but has seen a decline of 6.67% over the last five trading days [1] Group 2 - Fujian Sida Group, established on May 30, 1988, specializes in the research, design, production, and sales of mobile communication smart terminals and related core components [2] - The company's main business revenue composition is 98.41% from big data business, 1.49% from IoT perimeter security, and 0.10% from other sources [2] - As of September 30, the number of shareholders is reported at 98,100, a decrease of 8.28% from the previous period [2] Group 3 - For the period from January to September 2025, Fujian Sida Group achieved operating revenue of 135 million yuan, representing a year-on-year growth of 111.97% [2] - The net profit attributable to the parent company was reported at -87.571 million yuan, a year-on-year decrease of 339.62% [2] - The company has cumulatively distributed 124 million yuan in dividends since its A-share listing, with no dividends distributed in the last three years [3]