水泥板块掀涨停潮，天山股份等十余股封涨停板

Group 1 - The cement sector is experiencing a surge with multiple stocks hitting the daily limit up, including Tianshan Shares, Guotong Shares, Western Construction, Tibet Tianlu, Sichuan Jinding, and Huaxin Cement among others [1] - More than ten stocks in the cement industry have reached the limit up, indicating strong market interest and potential bullish sentiment [1] Group 2 - Dark pool funds are reportedly flowing into these stocks, suggesting increased institutional interest and potential for further price movements [2]