《Economic Information Daily, 14th exclusive news》According to HKEX data, BlackRock increased its stake in Zhongsheng (00881) by 3.17 million shares on Tuesday (11th), at an average price of HKD 4.6253 per share, involving a total amount of HKD 14.6622 million, and the latest shareholding ratio has increased to 5.04%. (bi)