HKEX Information Shows: BlackRock's Stake in China Petroleum Shares Rises to 7.15% Glodon July 22nd | According to HKEX information, BlackRock\'s stake in China Petroleum (601857) shares rose to 7.15% from 6.66% on July 16th. Breaking News BlackRockChinaPetroleumHKEXshareholdingstakestockmarket 4 days ago 0 1.4k