Weekly Report: what happened at Petrochina last week (0817-0821)?

Last week 00857 had an overall gain of 6.24%, the stock price moved from 9.5350 to 10.13, last week's high was 10.32, the low was 9.4650, and the cumulative volume was 395.83M.

● 00857 is expected to report earnings this week on 28 August.