超导概念持续走强，东方钽业涨停

Group 1 - The superconducting concept continues to strengthen, leading to a surge in stock prices for companies involved in this sector [1] - Dongfang Tantalum Industry has reached its daily limit increase, indicating strong market interest [1] - Other companies such as Baosheng Co., Jingda Co., Yongding Co., Shenghong Technology, Zhongtian Technology, and Wolong Nuclear Materials have also seen significant stock price increases [1]