公元股份振幅19.36%，机构净卖出1814.21万元，深股通净卖出255.36万元

Group 1 - The stock of Gongyuan Co., Ltd. experienced a decline of 7.06% with a turnover rate of 15.48% and a trading volume of 890 million yuan, showing a volatility of 19.36% throughout the day [2] - Institutional investors net sold 18.14 million yuan, while the Shenzhen Stock Connect saw a net sell of 2.55 million yuan, with total net selling from brokerage seats amounting to 66.11 million yuan [2] - The top five trading departments accounted for a total transaction of 214 million yuan, with a buying amount of 63.75 million yuan and a selling amount of 151 million yuan, resulting in a net sell of 86.81 million yuan [2] Group 2 - As of September 19, the margin trading balance for Gongyuan Co., Ltd. was 12.8 million yuan, with a financing balance of 12.8 million yuan and a securities lending balance of 60.2 thousand yuan [3] - Over the past five days, the financing balance decreased by 6.64 million yuan, representing a decline of 4.93%, while the securities lending balance increased by 1.19 thousand yuan, showing a growth of 24.54% [3] - On September 22, the top buying departments included Caifeng Securities and Dongyang Wuning West Road Securities, with significant buying amounts of 20.39 million yuan and 11.37 million yuan respectively [3]