地下管网板块短线拉升 韩建河山、深水规院涨停

Group 1 - The underground pipeline sector experienced a short-term surge, with companies such as Hanjian Heshan (603616) and Deepwater Planning Institute (301038) hitting the daily limit up [1] - Other companies in the sector, including Sanhe Pile (003037), Qinglong Pipeline (002457), New City (300778), Guanlong Energy Saving (301151), and Shunyu Co., Ltd. (301519), also saw significant increases in their stock prices [1] - There is a disclosure of dark pool fund flows, indicating signals for early detection of institutional accumulation [1]