According to Data Treasure statistics, on March 19, a total of 41 stocks were listed on the Dragon and Tiger List, among which 3 stocks had the presence of Shenzhen Stock Connect dedicated seats among the top five buying and selling trading departments. The net buying stock is Yunding Tech, with a net buying amount of 2.9028 million yuan. The net selling stocks are WanMa Co., Ltd. and Yawei Co., Ltd., with net selling amounts of 52.2474 million yuan and 11.5864 million yuan, respectively