荣盛发展振幅16.57%，龙虎榜上机构买入2020.83万元，卖出5419.12万元

Summary of Key Points Core Viewpoint - Rongsheng Development experienced a decline of 2.66% in its stock price, with a trading volume of 1.22 billion yuan and a fluctuation of 16.57% on the day of reporting [2]. Trading Activity - The stock had a turnover rate of 16.71%, with institutional investors net selling 33.98 million yuan and the Shenzhen Stock Connect net selling 21.64 million yuan [2]. - The top five trading departments had a combined transaction amount of 370 million yuan, with a net sell of 13.7 million yuan [2]. - Specific trading details show that two institutional special seats were involved, with a total buy amount of 20.21 million yuan and a sell amount of 54.19 million yuan, resulting in a net sell of 33.98 million yuan [2][3]. Capital Flow - The stock saw a net outflow of 82.84 million yuan in principal funds, with large orders contributing to a net outflow of 82.74 million yuan [2]. - Over the past five days, the principal funds had a net inflow of 14.54 million yuan [2]. Margin Trading Data - As of November 17, the margin trading balance for the stock was 262 million yuan, with a financing balance of 261 million yuan and a securities lending balance of 47,000 yuan [3]. - In the last five days, the financing balance increased by 25.34 million yuan, representing a growth of 10.74% [3].