Zheng Quan Shi Bao Wang·2025-04-18 11:33Core Viewpoint - The optical fiber concept sector has shown a positive performance with a 1.55% increase, ranking 10th among concept sectors, driven by significant gains in stocks like Huamai Technology and New Energy Taishan, which hit the daily limit up [1][2]. Market Performance - The optical fiber concept sector saw 44 stocks rise, with notable increases from Huamai Technology (10.04%), New Energy Taishan (9.85%), and Jinxin Technology (9.61%) [1][2]. - Conversely, stocks like Feikai Materials, Yunzhu Technology, and Zhichun Technology experienced declines of 3.92%, 2.03%, and 1.65% respectively [1][2]. Capital Flow - The optical fiber concept sector attracted a net inflow of 310 million yuan, with 36 stocks receiving net inflows, and five stocks exceeding 30 million yuan in net inflow [2][3]. - Jinxin Technology led the net inflow with 85.11 million yuan, followed by Huamai Technology (82.83 million yuan) and Wanma Co. (72.97 million yuan) [2][3]. Capital Inflow Ratios - New Energy Taishan, Huamai Technology, and Jinxin Technology had the highest net inflow ratios at 40.39%, 25.72%, and 12.81% respectively [3][4].