Core Viewpoint - The PET copper foil sector has shown a significant increase of 4.03% as of July 28, ranking third among concept sectors, with 42 stocks rising, including notable gains from Fangbang Co. and Tongguan Copper Foil, which hit the 20% limit up [1] Group 1: Market Performance - The PET copper foil concept saw a net inflow of 421 million yuan from main funds, with 26 stocks experiencing net inflows, and 6 stocks exceeding 50 million yuan in net inflow [1] - The top net inflow stock was Tongguan Copper Foil, with a net inflow of 123 million yuan, followed by Shengli Precision and Guanghua Technology with net inflows of 117 million yuan and 86.4 million yuan respectively [1] - The overall performance of the PET copper foil sector was strong, with several stocks achieving significant daily gains, including DeFu Technology and Zhongyi Technology, which rose by 12.14% and 9.80% respectively [1] Group 2: Fund Flow Ratios - The leading stocks in terms of fund inflow ratios included Shengli Precision, Dazhongnan, and Fangbang Co., with net inflow rates of 15.32%, 10.43%, and 9.76% respectively [2] - The detailed fund inflow data showed that Tongguan Copper Foil had a daily turnover rate of 10.83% and a net inflow of 123.41 million yuan, indicating strong investor interest [2] - Other notable stocks with significant fund inflow ratios included Guanghua Technology and Longyang Electronics, with net inflow rates of 8.58% and 8.72% respectively [2][3]

Market Performance - The PET copper foil concept rose by 3.01%, ranking third among concept sectors, with 37 stocks increasing in value, including Zhongyi Technology which hit the daily limit with a 20% increase [1] - Notable gainers included Hongtian Co., Dadongnan, and Tongguan Copper Foil, with increases of 20%, 13.67%, 9.94%, and 7.31% respectively [1] - The top decliners were Jingwei Huikai, Jiangnan New Materials, and Hailiang Co., with declines of 7.89%, 1.62%, and 0.75% respectively [1] Capital Flow - The PET copper foil sector saw a net inflow of 367 million yuan, with 25 stocks receiving net inflows, and 9 stocks exceeding 30 million yuan in net inflow [1] - The leading stock in terms of net inflow was Dadongnan, with a net inflow of 129 million yuan, followed by Zhongyi Technology, Hongtian Co., and Tongguan Copper Foil with net inflows of 123 million yuan, 90.27 million yuan, and 55.65 million yuan respectively [1] Capital Inflow Ratios - Zhongyi Technology, Hongtian Co., and Dongfeng Group had the highest capital inflow ratios, with net inflow rates of 21.26%, 19.34%, and 7.57% respectively [2] - The capital inflow rankings for PET copper foil stocks showed significant activity, with Zhongyi Technology and Hongtian Co. leading in both net inflow and percentage increase [2]

Group 1 - The PET copper foil concept stocks are experiencing a significant rise, with major players like Dazhongnan (002263) and Hongtian Co., Ltd. (603800) hitting the daily limit up [1] - Yinglian Co., Ltd. (002846) has seen an increase of over 8%, indicating strong market interest [1] - Other companies such as Zhongyi Technology (301150) and Dongfeng Group (601515) are also following the upward trend [1]