艾德生物收盘上涨2.39%，滚动市盈率29.79倍，总市值83.75亿元

Group 1 - The core viewpoint of the news is that Aide Biological has a current stock price of 21.39 yuan, with a PE ratio of 29.79, which is the lowest in 43 days, and a total market capitalization of 8.375 billion yuan [1] - Aide Biological ranks 66th in the medical device industry, which has an average PE ratio of 50.64 and a median of 37.05 [1] - As of the first quarter of 2025, 27 institutions hold shares in Aide Biological, with a total holding of 197.0434 million shares valued at 4.414 billion yuan [1] Group 2 - Aide Biological specializes in tumor gene testing reagents, software, and supporting instruments, and provides testing services and drug clinical research services [1] - The latest performance report for the first quarter of 2025 shows that the company achieved an operating income of 272 million yuan, a year-on-year increase of 16.63%, and a net profit of 90.4718 million yuan, a year-on-year increase of 40.92%, with a gross profit margin of 83.48% [1]