鼎信通讯龙虎榜数据（9月30日）

Group 1 - The stock of Dingxin Communication (603421) reached the daily limit, with a turnover rate of 4.21% and a transaction amount of 215 million yuan, showing a fluctuation of 10.96% [2] - The stock was listed on the Shanghai Stock Exchange due to a daily price deviation of 9.52%, with a net buying amount of 46.65 million yuan from brokerage seats [2] - The top five brokerage seats accounted for a total transaction of 70.59 million yuan, with a buying amount of 58.62 million yuan and a selling amount of 11.97 million yuan, resulting in a net buying of 46.65 million yuan [2] Group 2 - The largest buying brokerage was Zhongtai Securities Co., Ltd. with a buying amount of 23.80 million yuan, while the largest selling brokerage was Maigao Securities Co., Ltd. with a selling amount of 2.64 million yuan [2] - The stock experienced a net inflow of 114 million yuan from main funds today, with a significant single net inflow of 130 million yuan, while large single funds saw a net outflow of 15.74 million yuan [2] - Over the past five days, the main funds have seen a net inflow of 105 million yuan [2] Group 3 - The semi-annual report released on August 26 indicated that the company achieved an operating income of 704 million yuan in the first half of the year, a year-on-year decrease of 50.99%, and a net profit of -219 million yuan [2]