今日共82只个股发生大宗交易，总成交13.14亿元

Group 1 - A total of 82 stocks experienced block trading on July 16, with a total transaction value of 1.314 billion yuan [1] - The top three stocks by transaction value were SAIC Motor Group (160 million yuan), Desay SV Automotive (106 million yuan), and Aopu Technology (51.426 million yuan) [1] - Among the stocks, 21 were traded at par, 4 at a premium, and 57 at a discount; Huazhong Holdings, Tianci Materials, and Midea Group had the highest premium rates of 8.26%, 2.57%, and 0.44% respectively [1] Group 2 - The top stocks by institutional buying were Tianyi Ma (43.8048 million yuan), Huasen Pharmaceutical (31.2393 million yuan), and Aopu Technology (28.6569 million yuan) [2] - Other notable institutional purchases included Desay SV Automotive (26.7073 million yuan) and Yinfeng Storage (18.8136 million yuan) [2] Group 3 - The leading stocks by institutional selling included Yuyue Medical (11.184 million yuan), Fosun Pharmaceutical (8.8033 million yuan), and Senkiren (7.8517 million yuan) [3] - Other significant sales were recorded for Nanshan Energy Storage (7.4556 million yuan) and Gao Neng Environment (5.3304 million yuan) [3]