Group 1 - The core point of the news is that 30 stocks were listed on the institutional trading leaderboard, with 13 experiencing net buying and 17 facing net selling [1] - The top three stocks with the highest net buying by institutions were: Xiaocheng Technology (149 million), Chenxin Pharmaceutical (116 million), and Airo Energy (72.55 million) [1] - Xiaocheng Technology saw a decrease of 3.46% in its stock price, while Chenxin Pharmaceutical experienced an increase of 10.02% [2] Group 2 - Airo Energy's net buying by three institutions amounted to 72.55 million, with a focus on its household storage business recovering in the second half of 2023 due to European market dynamics [3] - The company has benefited from early investments in industrial storage products in Europe, particularly with the promotion of dynamic electricity pricing in regions like Germany [3] - The recovery in Airo Energy's business is expected to drive a new growth phase for the company [3]