According to the latest data from the Hong Kong Stock Exchange, on March 26, Sigma Fibonacci Limited purchased an additional 397,000 shares of DAZHONG DENTAL (02651) at a price of HK$11.8 per share, totaling approximately HK$4.6846 million. Following this transaction, the firm's total shareholding has risen to 2.897 million shares, representing a stake of 17.02%. The transaction also involved other related parties: Sigma Global Fund SPC and Huang Zhijie.