Gelonghui, December 30 | Shenzhen Deren Electronic (002055.SZ) fell by 6.32% today, with a Turnover Ratio of 32.83% and a transaction amount of 1.538 billion yuan. Data from the Dragon and Tiger list shows that retail investors "new stock speculators" ranked first in buying positions, with a net purchase of 0.206 billion yuan; "Algo board trading" ranked third in buying positions, with a net purchase of 21.1039 million yuan; two institutions ranked second and third in selling positions, with a total sell amount of 73.4527 million yuan. (Gelonghui)