PetroChina stock price today: 601857 in focus before Shanghai open as ‘flash boys’ curb meets steady oil
Shanghai, Jan 20, 2026, 04:33 GMT+8 — Premarket. PetroChina’s Class A shares on the Shanghai exchange (601857) closed Monday 0.2% higher at 9.82 yuan, after fluctuating between 9.72 and 9.93 yuan during the session. Trading volume hit roughly 107.66 million shares, per Investing.com data. (英为财情 Investing.com) Heading into Tuesday, China’s regulators are cracking down on rapid-fire trading that some investors…