A股有机硅概念板块盘中回调，宏柏新材封板跌停，飞鹿股份、集泰股份、晨光新材、吉华集团跟跌。

Group 1 - The A-share silicon-based materials sector experienced a pullback during trading, with significant declines in several companies [1] - Hongbai New Materials hit the daily limit down, indicating a strong negative market reaction [1] - Other companies such as Feilu Co., Jitai Co., Chenguang New Materials, and Jihua Group also saw declines, following the trend set by Hongbai New Materials [1]