九州一轨收盘上涨8.01%，滚动市盈率171.53倍，总市值20.26亿元

Group 1 - The core viewpoint of the article highlights the performance and valuation of Jiuzhou Yigui, which closed at 13.48 yuan, up 8.01%, with a rolling PE ratio of 171.53, marking a new low in 386 days, and a total market value of 2.026 billion yuan [1][2] - Jiuzhou Yigui ranks 107th in the environmental industry based on PE ratio, with the industry average at 61.07 and the median at 33.63 [1][2] - As of the first quarter of 2025, only two institutions hold shares in Jiuzhou Yigui, with a total of 144,000 shares valued at 0.02 million yuan [1] Group 2 - Jiuzhou Yigui specializes in research and development of vibration and noise reduction technology for rail transit, including product manufacturing, engineering design, market promotion, testing consulting, and operational management services [1] - The company's main products include various vibration reduction systems and monitoring equipment, such as steel spring floating track bed systems and intelligent inspection vehicles [1] - The latest financial report for the first quarter of 2025 shows Jiuzhou Yigui achieved revenue of 26.0584 million yuan, a year-on-year decrease of 44.47%, with a net profit of -6.024851 million yuan, reflecting a year-on-year increase of 9.86%, and a gross profit margin of 15.59% [1]