Zheng Quan Shi Bao Wang·2025-12-15 09:12Group 1 - The core viewpoint of the news is that the Co-Packaged Optics (CPO) sector experienced a decline of 2.21%, with significant losses in key stocks such as Longfly Fiber, which hit the limit down, and Tengjing Technology, Shijia Photon, and Fuxin Technology also showing notable declines [1][2] - Among the CPO sector, 110 stocks saw net outflows of main funds totaling 11.692 billion yuan, with Luxshare Precision leading the outflow at 1.375 billion yuan [2][3] - The top gainers in the CPO sector included Tongyu Communication, which rose by 10.00%, and Defu Technology and Lian Te Technology, both increasing by 7.11% [1][2] Group 2 - The CPO sector was among the worst-performing concept sectors, ranking high on the decline list, while the dairy industry led the gainers with a 4.00% increase [2] - The main funds' net inflow was observed in stocks like Tongyu Communication, Defu Technology, and Lian Te Technology, with inflows of 624 million yuan, 202 million yuan, and 148 million yuan respectively [2][6] - The overall market sentiment reflected a cautious approach, as many stocks within the CPO sector faced significant selling pressure, indicating potential volatility in the near term [1][2]