Shang Hai Zheng Quan Bao·2025-08-13 07:34Group 1 - The copper cable high-speed connection concept has shown strong fluctuations, with notable stock performances observed on August 13 [1] - Jin Tian Co., Ltd. reached the daily limit increase, while Shenglan Co., Ltd. and Dingdao Technology both rose over 10% [1] - Other companies such as Bo Wei Alloy and Changxin Bochuang also experienced significant gains, indicating a positive trend in the sector [1] Group 2 - The stock performance data shows Shenglan Co., Ltd. with a rise of 12.28% and Dingdao Technology with an increase of 11.05% [2] - Bo Wei Alloy and other companies like Xin Ya Electronics and Changxin Bochuang also reported gains, with increases around 10% [2] - The overall market sentiment appears to be favorable for companies involved in the copper cable high-speed connection sector [2]