Di Yi Cai Jing·2025-09-30 09:43Core Insights - A total of 78 stocks experienced block trades in the A-share market on September 30, with a total transaction value of 2.585 billion yuan [1] - Tianshan Aluminum, Haiguang Information, and Guangqi Technology had the highest transaction values, amounting to 397 million yuan, 357 million yuan, and 284 million yuan respectively [1] - Among the stocks, 28 were traded at par value, 2 at a premium, and 48 at a discount, with Tianshan Aluminum and Qide New Materials showing the highest premium rates of 0.69% and 0.42% respectively [1] Institutional Buying - The top institutional buying amounts were led by Tianshan Aluminum at 397 million yuan, followed by Changhua Chemical at 90.44 million yuan and Ningde Times at 48.96 million yuan [2] - Other notable institutional purchases included Hehe Information at 48.04 million yuan and Midea Group at 26.16 million yuan [2] Institutional Selling - The highest institutional selling amounts were recorded for Ningde Times at 48.96 million yuan and Midea Group at 26.16 million yuan [3] - Other significant sales included New Industry at 24.58 million yuan and Jingjiawei at 23.17 million yuan [3]