Zheng Quan Shi Bao Wang·2026-01-21 09:23Core Viewpoint - The Co-Packaged Optics (CPO) concept has seen a significant increase of 3.09%, ranking sixth among concept sectors, with 124 stocks rising, including notable gains from companies like Zhishang Technology and Huada Technology, which hit the daily limit of 20% [1] Group 1: Market Performance - The CPO concept sector experienced a net inflow of 8.71 billion yuan, with 91 stocks receiving net inflows, and 28 stocks exceeding 100 million yuan in net inflows [2] - Leading the net inflow is Industrial Fulian with 1.49 billion yuan, followed by Huada Technology and Xinyi Technology with 1.21 billion yuan and 1.17 billion yuan respectively [2] - The top gainers in the CPO sector include Zhishang Technology (20%), Huada Technology (10.01%), and Tongfu Microelectronics (10%) [3][4] Group 2: Stock Performance - The stocks with the highest net inflow ratios include Huada Technology (25.14%), Woge Optoelectronics (19.57%), and Guanghe Technology (16.81%) [3] - Other notable performers include Longji Technology (6.30%) and Ziguang Guowei (5.25%) [3][4] - The overall performance of the CPO sector reflects strong investor interest, particularly in companies with significant net inflows and high turnover rates [3][4]