奥泰生物收盘上涨3.20%，滚动市盈率19.31倍，总市值61.58亿元

Group 1 - The core viewpoint of the articles highlights the performance and valuation of Aotai Biological, noting its recent stock price increase and low rolling PE ratio compared to the industry average [1][2] - Aotai Biological's stock closed at 77.67 yuan, up 3.20%, with a rolling PE ratio of 19.31, marking a new low in 90 days and a total market capitalization of 6.158 billion yuan [1] - The company ranks 41st in the medical device industry, which has an average PE ratio of 57.51 and a median of 41.25 [1][2] Group 2 - As of the first quarter of 2025, 15 institutions hold shares in Aotai Biological, with a total of 917,800 shares valued at 6.2 million yuan [1] - Aotai Biological specializes in the research, production, and sales of in vitro rapid diagnostic reagents, with key products including infectious disease tests, drug abuse tests, women's health tests, COVID-19 tests, tumor tests, and myocardial tests [1] - The company achieved a revenue of 208 million yuan in the first quarter of 2025, representing a year-on-year growth of 4.28%, and a net profit of 61.216 million yuan, reflecting a year-on-year increase of 36.68% with a gross profit margin of 55.63% [2]