Weekly Report: what happened at PCT last week (0928-1002)?

Last week PCT had an overall loss of -10.13%, the stock price moved from 4.8850 to 4.39, last week's high was 4.94, the low was 4.22, and the cumulative volume was 35.86M.

● PCT reached a 52-week down last week on 2 October, quoting 4.39.