Bei Jing Ri Bao Ke Hu Duan·2025-12-22 13:41Group 1: Company Announcements - Yongding Co., Ltd. announced that its subsidiary, Dingxin Optoelectronics, plans to raise capital by introducing external investors, including Wuxi Jicui and Suzhou Longju [1][2] - Lingyi Technology intends to acquire a 35% stake in Limin Da for 875 million yuan to enhance its AI hardware server business and gain control over the company [3] - Nanya New Materials plans to raise up to 900 million yuan through a private placement to fund the development of high-performance copper-clad laminates for AI computing [4][5] - ChaoSheng Electronics announced a 1.008 billion yuan investment in expanding its high-performance HDI printed circuit board production capacity [6] - Tongyu Communication's subsidiary, Zhonghong Tongyu, will introduce investors through capital increase to enhance its financial strength [7] Group 2: Market Performance - Stocks of Yongding, Lingyi Technology, Nanya New Materials, Tongyu Communication, Changfei Fiber, and ChaoSheng Electronics have seen significant price increases since April 9, with gains ranging from 65% to 328% [1] - Changfei Fiber issued a risk warning regarding its stock price volatility, noting a 20% increase in stock price over three consecutive trading days [8]