PET铜箔概念股持续走高，大东南、洪田股份涨停

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]