PetroChina stock price today: 601857 in focus before Shanghai open as ‘flash boys’ curb meets steady oil
PetroChina’s A shares closed 0.2% higher at 9.82 yuan in Shanghai Monday, with trading volume at 107.66 million shares. China’s securities regulator ordered brokers to remove client servers from exchange data centers, targeting high-frequency trading. Oil prices held steady, with Brent at $64.14 a barrel. The Shanghai Composite rose 0.29% to 4,114 as overall market turnover fell.