A股铜缆高速连接板块反覆活跃，沃尔核材封板涨停，长飞光纤、神宇股份涨超6%，宝胜股份、鑫科材料、鼎通科技、瑞可达、精达股份等跟涨。

Group 1 - The A-share copper cable sector is experiencing active trading, with notable stocks such as Wolong Nuclear Materials hitting the daily limit up, while Changfei Optical Fiber and Shenyu Co. have increased by over 6% [1] - Other companies in the sector, including Baosheng Co., Xinke Materials, Dingtong Technology, Ruikeda, and Jingda Co., are also seeing upward movement in their stock prices [1]