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

Last week QCLS had an overall loss of -21.86%, the stock price moved from 3.34 to 2.61, last week's high was 3.44, the low was 2.50, and the cumulative volume was 1.35M.

● QCLS reached a 52-week down last week on 31 July, quoting 2.61.