裕太微涨2.01%，成交额5385.96万元，主力资金净流入407.26万元

Group 1 - The core viewpoint of the news is that Yutai Micro has shown a mixed performance in its stock price, with a recent increase but a decline over the past two months [1][2] - As of December 19, Yutai Micro's stock price rose by 2.01% to 102.03 CNY per share, with a total market capitalization of 8.162 billion CNY [1] - The company has experienced a year-to-date stock price increase of 3.06%, with a 20-day increase of 8.06% but a 60-day decline of 11.87% [2] Group 2 - Yutai Micro's main business involves the research, design, and sales of high-speed wired communication chips, with 99.44% of its revenue coming from chip sales [2] - As of September 30, 2025, Yutai Micro reported a revenue of 388 million CNY, representing a year-on-year growth of 45.70%, while the net profit attributable to shareholders was -128 million CNY, a growth of 8.89% [2] - The company is categorized under the semiconductor industry, specifically in analog chip design, and is associated with concepts such as smart cockpits and vehicle networking [2] Group 3 - As of September 30, 2025, the number of shareholders in Yutai Micro increased by 15.83% to 8,684, while the average circulating shares per person decreased by 13.67% to 5,736 shares [2] - Among the top ten circulating shareholders, Taixin Small and Medium Cap Selected Mixed Fund holds 1.4 million shares, a decrease of 600,000 shares from the previous period [3] - Hong Kong Central Clearing Limited is a new shareholder, holding 901,400 shares, while Taixin Xinxuan Mixed A Fund has reduced its holdings by 720,000 shares to 600,000 shares [3]