三维通信今日跌4.72%，有2家机构专用席位净卖出9137.67万元

Core Viewpoint - The stock of Sanwei Communication experienced a decline of 4.72% with a trading volume of 4.159 billion yuan and a turnover rate of 40.12% [1] Group 1: Stock Performance - Sanwei Communication's stock fell by 4.72% [1] - The total trading volume reached 4.159 billion yuan [1] - The turnover rate was recorded at 40.12% [1] Group 2: Market Activity - Post-market data indicates that a specific seat for Shenzhen Stock Connect bought 71.9579 million yuan and sold 166.7 million yuan [1] - Two institutional special seats had a net sell of 91.3767 million yuan [1]