盈新发展振幅18.55%，机构净卖出4910.52万元，深股通净卖出2586.32万元

Core Viewpoint - The stock of Yingxin Development experienced a significant decline of 9.66% today, with a trading volume of 3.612 billion yuan and a volatility of 18.55% [2] Trading Activity - The stock had a turnover rate of 20.79% for the day, indicating high trading activity [2] - Institutional investors net sold 49.1052 million yuan, while the Shenzhen Stock Connect saw a net sell of 25.8632 million yuan [2] - The top five trading departments accounted for a total transaction volume of 929 million yuan, with a net sell of 12 million yuan [2][3] Institutional Participation - Among the trading departments, one institutional special seat was noted, with a buy amount of 361,800 yuan and a sell amount of 4.9467 million yuan, resulting in a net sell of 4.91052 million yuan [2] - The Shenzhen Stock Connect was the largest buyer and seller, with a buy amount of 163.5 million yuan and a sell amount of 189.2 million yuan, leading to a net sell of 25.8632 million yuan [2][3] Recent Performance - Over the past six months, the stock has appeared on the trading leaderboard 10 times, with an average price increase of 2.05% the day after being listed and an average increase of 12.80% in the following five days [3] - Today, the stock saw a net outflow of 510 million yuan in principal funds, with large orders contributing to a net outflow of 347 million yuan [3] Detailed Trading Data - The top buying and selling departments included: - Buy One: Shenzhen Stock Connect Special, buying 163.5 million yuan and selling 189.2 million yuan - Buy Two: Guosen Securities, buying 104.0587 million yuan and selling 38.2919 million yuan - Sell One: Shenzhen Stock Connect Special, with the same amounts as Buy One [3][4]