云鼎科技跌2.07%，成交额1.04亿元，主力资金净流出1813.01万元

Group 1 - The core viewpoint of the news is that Yunding Technology's stock has experienced fluctuations, with a year-to-date increase of 32.55% but a recent decline in the last five and twenty trading days [1] - As of September 9, Yunding Technology's stock price was 11.81 yuan per share, with a total market capitalization of 8.007 billion yuan [1] - The company has seen a net outflow of main funds amounting to 18.13 million yuan, with significant selling pressure observed [1] Group 2 - Yunding Technology, established on March 2, 1993, is located in Jinan, Shandong Province, and was listed on June 27, 1996 [2] - The company's main business includes iron ore mining, precious metal mining, healthcare, and new energy, with revenue contributions from various segments [2] - As of June 30, 2025, Yunding Technology reported a revenue of 639 million yuan, a year-on-year increase of 0.30%, while net profit decreased by 42.36% to 41.89 million yuan [2] Group 3 - Yunding Technology has distributed a total of 32.807 million yuan in dividends since its A-share listing, with no dividends paid in the last three years [3] - As of June 30, 2025, Hong Kong Central Clearing Limited has exited the list of the top ten circulating shareholders [3]