Zheng Quan Shi Bao Wang·2025-05-13 09:33Group 1 - The terahertz concept sector declined by 2.14%, ranking among the top declines in concept sectors, with companies like Four Creation Electronics, Shaanxi Huada, and Tianyin Electromechanical leading the losses [1] - The top gainers in concept sectors included the China-Korea Free Trade Zone with a gain of 3.03%, while the China Shipbuilding System saw a decline of 3.40% [2] - The terahertz concept sector experienced a net outflow of 654 million yuan, with 19 stocks seeing net outflows, and 8 stocks having outflows exceeding 50 million yuan, led by ZTE Corporation with a net outflow of 297 million yuan [2] Group 2 - The top stocks with net outflows in the terahertz concept included ZTE Corporation (-1.18%), Leike Defense (-2.04%), and Tianhai Defense (-4.17%) [3] - The top stocks with net inflows included Aerospace Electronics with a net inflow of 589 million yuan, followed by Juguang Technology and Changfei Optical Fiber with inflows of 1.003 million yuan and 775,350 yuan respectively [3]