九州一轨收盘上涨1.87%，滚动市盈率145.95倍，总市值17.24亿元

Group 1 - The core viewpoint of the articles highlights the performance and valuation of Jiuzhou Yigui in the environmental technology sector, indicating a significant decline in revenue and a high PE ratio compared to industry averages [1][2] - Jiuzhou Yigui's closing price on July 21 was 11.47 yuan, with a PE ratio of 145.95, marking a new low in 362 days and a total market capitalization of 1.724 billion yuan [1] - The average PE ratio for the environmental industry is 56.01, with a median of 32.79, positioning Jiuzhou Yigui at the 107th rank within the industry [1][2] Group 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] - The company's main business includes research and development, manufacturing, engineering design, marketing, testing consulting, and operational management services related to rail transit vibration and noise reduction technology [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%, and a net profit of -6,024,851.04 yuan, with a gross profit margin of 15.59% [1]