Weekly Report: what happened at PTLO last week (1215-1219)?

Last week PTLO had an overall loss of -2.95%, the stock price moved from 4.75 to 4.61, last week's high was 4.86, the low was 4.5350, and the cumulative volume was 14.22M.

● PTLO reached a 52-week down last week on 19 December, quoting 4.61.