多氟多跌停，机构净卖出1.73亿元，深股通净卖出2.39亿元

Core Viewpoint - The stock of Duofuduo experienced a significant decline, hitting the daily limit down, with a trading volume of 8.563 billion yuan and a turnover rate of 20.77% [2] Trading Activity - Institutional investors net sold 173 million yuan, while the Shenzhen Stock Connect saw a net sell of 239 million yuan, with a total net buy from brokerage seats amounting to 71.13 million yuan [2] - The stock was listed on the daily trading board due to a price deviation of -8.96%, with the top five trading departments collectively transacting 1.776 billion yuan, resulting in a net sell of 341 million yuan [2] - The top buying department was the Shenzhen Stock Connect, which had a buying amount of 365 million yuan and a selling amount of 604 million yuan, leading to a net sell of 239 million yuan [2] Fund Flow - The stock saw a net outflow of 1.436 billion yuan in principal funds, with a significant outflow of 916 million yuan from large orders and 520 million yuan from major orders [2] - Over the past five days, the stock experienced a total net outflow of 1.713 billion yuan [2] Margin Trading Data - As of November 17, the margin trading balance for the stock was 2.428 billion yuan, with a financing balance of 2.421 billion yuan and a securities lending balance of 773.16 million yuan [3] - In the last five days, the financing balance increased by 693 million yuan, representing a growth of 40.13%, while the securities lending balance rose by 1.839 million yuan, an increase of 31.20% [3] Trading Details - On November 18, the top buying and selling departments included the Shenzhen Stock Connect, which had a buying amount of 364.73 million yuan and a selling amount of 603.88 million yuan [3] - Other notable trading departments included Kaiyuan Securities and Guoxin Securities, with significant buy and sell amounts [3]