Zheng Quan Shi Bao Wang·2025-07-08 09:23Core Viewpoint - The copper cable high-speed connection concept has shown a significant increase, ranking fourth among concept sectors with a rise of 3.60% as of the market close on July 8 [1][2]. Group 1: Market Performance - Within the copper cable high-speed connection sector, 35 stocks experienced gains, with Yidong Electronics hitting a 20% limit up, and other notable performers including Derun Electronics and New Asia Electronics also reaching their daily limit up [1]. - The top gainers in the sector included Zhaolong Interconnect, Wolong Nuclear Materials, and Zhongfu Circuit, which rose by 9.58%, 8.09%, and 6.52% respectively [1]. - Conversely, the stocks with the largest declines included Shaanxi Huada, Chuangyitong, and Honglin Power, which fell by 1.45%, 0.92%, and 0.80% respectively [1]. Group 2: Capital Flow - The copper cable high-speed connection sector saw a net inflow of 9.52 billion yuan from main funds, with 30 stocks receiving net inflows [2]. - Derun Electronics led the net inflow with 2.71 billion yuan, followed by Wolong Nuclear Materials and Yidong Electronics with net inflows of 2.14 billion yuan and 1.60 billion yuan respectively [2]. - The net inflow ratios for Derun Electronics, Yidong Electronics, and Xinke Materials were 29.23%, 27.47%, and 14.73% respectively, indicating strong investor interest [3]. Group 3: Stock Performance Metrics - The stock performance metrics for key players in the copper cable high-speed connection sector included: - Derun Electronics: 10.03% increase, 20.65% turnover rate, and 27.1 million yuan net inflow [3]. - Wolong Nuclear Materials: 8.09% increase, 15.78% turnover rate, and 21.4 million yuan net inflow [3]. - Yidong Electronics: 19.99% increase, 24.09% turnover rate, and 15.9 million yuan net inflow [3].