民爆概念股持续拉升，保利联合、易普力、高争民爆涨停

Group 1 - The core viewpoint is that the civil explosives sector is experiencing a significant surge, with multiple stocks reaching their daily limit up [1] - Companies such as Poly United (002037), Yipuli (002096), and Gaozheng Civil Explosives (002827) have hit the daily limit up, indicating strong market interest [1] - Other companies like Huhua Co. (003002), Kailong Co. (002783), and Jiangnan Chemical (002226) are also seeing upward movement in their stock prices, suggesting a broader trend in the sector [1] Group 2 - There is a notable influx of dark pool capital into these stocks, indicating increased investor interest and potential for further price appreciation [1]