Zheng Quan Shi Bao Wang·2025-08-13 08:34Core Viewpoint - The PET copper foil sector has shown a significant increase, with a 2.72% rise, ranking fifth among concept sectors, indicating strong market interest and investment potential [1][2]. Group 1: Market Performance - As of August 13, the PET copper foil concept saw 32 stocks rise, with notable performers including Tongguan Copper Foil, which hit a 20% limit up, and Dongcai Technology and Hongtian Co., both reaching their daily limit [1]. - The leading gainers in the sector included Defu Technology, Zhongyi Technology, and Longyang Electronics, with increases of 17.30%, 16.13%, and 10.82% respectively [1]. - Conversely, the sector also experienced some declines, with Woge Optoelectronics, Oulai New Materials, and Jiemai Technology falling by 1.99%, 1.30%, and 1.28% respectively [1]. Group 2: Capital Flow - The PET copper foil sector attracted a net inflow of 566 million yuan from major funds, with 21 stocks receiving net inflows, and 5 stocks exceeding 50 million yuan in net inflow [2]. - The top stock for net inflow was Tongguan Copper Foil, which saw 338 million yuan in net inflow, followed by Dongcai Technology and Nord Shares with 253 million yuan and 201 million yuan respectively [2]. - In terms of net inflow ratios, Dongcai Technology, Nord Shares, and Tongguan Copper Foil led with 14.16%, 14.04%, and 13.26% respectively [3].