002130，跳水跌停！

Group 1 - The core point of the article is that沃尔核材 experienced a significant drop in stock price, falling by 10.01% to 29.32 CNY per share, with a total market value of 36.94 billion CNY and a trading volume exceeding 5.8 billion CNY [2] - The company announced the publication of materials related to its H-share issuance, which has been reviewed by the Hong Kong Stock Exchange's listing committee [2] - Concerns arose among investors regarding the potential for the H-share issuance price to be significantly discounted compared to the A-share price, leading to market anxiety [2] Group 2 - The company is planning to list on the Hong Kong main board, with CITIC Securities International and China Merchants Securities International acting as joint sponsors [2] - There were also market rumors related to copper cable that may have contributed to the stock's volatility [2]