Group 1 - The top five gainers among Chinese concept stocks include Luda Technology with a rise of 62.6%, Zhengye Biology with 35.31%, Xiangsong International with 31.87%, AirNet Technology with 28.77%, and Cheche Technology with 24.68% [1] - Luda Technology's latest price is 9.870, with a gain of 3.800 and a trading volume of 9.4865 million [1] - Zhengye Biology's latest price is 12.665, with a gain of 3.305 and a trading volume of 2.9232 million [1] Group 2 - Xiangsong International's latest price is 2.255, with a gain of 0.545 and a trading volume of 4.2776 million [1] - AirNet Technology's latest price is 5.550, with a gain of 1.240 and a trading volume of 2.31 million [1] - Cheche Technology's latest price is 1.1100, with a gain of 0.2197 and a trading volume of 2.9753 million [1]