Mei Ri Jing Ji Xin Wen·2025-03-21 10:18Group 1 - The core point of the article is that on March 21, a total of 42 stocks were listed on the Dragon and Tiger List, with Sanwei Communication having the highest net buying amount of 234 million yuan [2][3] - The top three stocks with the highest net buying amounts from institutional special seats are Zhongxin Heavy Industry, Sanwei Communication, and Zhizhen Technology, with net buying amounts of 153 million yuan, 92 million yuan, and 26 million yuan respectively [4][5] Group 2 - Sanwei Communication closed at 9.38 yuan with a net buying amount of 234.06 million yuan, reflecting a price increase of 9.96% and a turnover rate of 22.53% [3][5] - Zhongxin Heavy Industry closed at 5.26 yuan with a net buying amount of 127.46 million yuan, showing a price increase of 10.04% and a turnover rate of 3.76% [3][5] - HaiLanXin had the highest net buying amount from the Shenzhen Stock Connect special seat, totaling 70.08 million yuan [7]