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

Last week COHX had an overall loss of -17.57%, the stock price moved from 27.20 to 22.42, last week's high was 27.20, the low was 16.10, and the cumulative volume was 3.10M.

● COHX reached a 52-week down last week on 31 July, quoting 22.42.