九州一轨收盘下跌1.55%，滚动市盈率129.15倍，总市值15.25亿元

Group 1 - The core viewpoint of the articles highlights the financial performance and market position of Jiuzhou Yigui, a company specializing in rail transit vibration and noise reduction technology [1][2] - Jiuzhou Yigui's current stock price is 10.15 yuan, with a decline of 1.55%, resulting in a rolling price-to-earnings (PE) ratio of 129.15 times, and a total market capitalization of 1.525 billion yuan [1] - The average PE ratio for the environmental protection industry is 48.70 times, with a median of 29.73 times, placing Jiuzhou Yigui at the 108th position in the industry ranking [1][2] Group 2 - As of the first quarter of 2025, seven institutions hold shares in Jiuzhou Yigui, with a total of 19.7417 million shares valued at 194 million yuan [1] - The company's main business includes research and development, manufacturing, engineering design, market promotion, testing consulting, and operational management services related to rail transit vibration and noise reduction [1] - The latest financial report for the first quarter of 2025 shows Jiuzhou Yigui achieved operating 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]