Zheng Quan Shi Bao Wang·2025-08-12 08:32Market Performance - As of August 12, the optical fiber concept index rose by 1.43%, ranking 9th among concept sectors, with 41 stocks increasing in value [1] - Notable gainers included Zhishang Technology and Guangku Technology, both hitting the 20% limit up, while Zhongdian Xindong also reached the limit up [1] - The top gainers in the sector were Feikai Materials, Yuanjie Technology, and Shijia Photon, with increases of 11.81%, 10.71%, and 6.55% respectively [1] Capital Flow - The optical fiber sector saw a net inflow of 798 million yuan, with 30 stocks receiving net inflows, and 8 stocks exceeding 100 million yuan in net inflow [2] - Zhongdian Xindong led the net inflow with 414 million yuan, followed by Tianfu Communication and Guangxun Technology with net inflows of 315 million yuan and 248 million yuan respectively [2] - The net inflow ratios for Zhongdian Xindong, Guangku Technology, and Guangxun Technology were 51.10%, 49.10%, and 11.60% respectively [3] Stock Performance - The top stocks in the optical fiber sector based on net inflow included Zhongdian Xindong, Tianfu Communication, and Guangxun Technology, with respective daily price changes of 10.03%, 3.13%, and 2.26% [3] - Other notable performers included Shijia Photon with a 6.55% increase and Zhishang Technology with a 20% increase [4] - Decliners in the sector included Jiekang Technology, Delong Laser, and Changjiang Communication, with decreases of 3.90%, 3.18%, and 2.93% respectively [1]