Weekly Report: what happened at Cig Shanghai last week (0727-0731)?

Last week 06166 had an overall loss of -20.56%, the stock price moved from 84.15 to 66.85, last week's high was 89.30, the low was 60.60, and the cumulative volume was 58.70M.

● 06166 reached a 52-week down last week on 30 July, quoting 66.85.