瀛通通讯龙虎榜数据（1月23日）

Group 1 - The core point of the article is that Yingtong Communications experienced a significant drop in stock price, hitting the daily limit down with a trading volume of 1.253 billion yuan and a turnover rate of 48.22% [1] - The stock had a daily fluctuation of 21.43% and a daily decline deviation of -9.63%, leading to its listing on the Shenzhen Stock Exchange's watch list [1] - Institutional investors net bought 28.8145 million yuan worth of shares, while brokerage seats collectively net sold 3.7541 million yuan [1] Group 2 - The top five trading departments accounted for a total transaction volume of 358 million yuan, with a buying transaction amount of 192 million yuan and a selling transaction amount of 167 million yuan, resulting in a net purchase of 25.0605 million yuan [1]