Group 1 - The CRO (Contract Research Organization) concept stocks in the A-share market have shown strong performance, with notable gains in several companies [1] - Zhaoyan New Drug approached the daily limit increase with a rise of 9.12%, while other companies like Kailaiying, Nossger, and Kanglong Chemical also saw increases exceeding 5% [1][2] - The total market capitalization of Zhaoyan New Drug is 25.3 billion, and it has achieved a year-to-date increase of 103.06% [2] Group 2 - Kailaiying's stock rose by 5.48%, with a total market capitalization of 38.7 billion and a year-to-date increase of 42.84% [2] - Nossger and Kanglong Chemical experienced increases of 5.44% and 5.19%, respectively, with market capitalizations of 5.631 billion and 55.5 billion [2] - Other companies such as Sunshine Nuohuo and Boteng also reported gains of over 5%, with year-to-date increases of 109.05% and 64.55% respectively [2]