Weekly Report: what happened at TPST last week (0907-0911)?

Last week TPST had an overall loss of -20.42%, the stock price moved from 1.02 to 0.8117, last week's high was 1.03, the low was 0.7583, and the cumulative volume was 1.56M.

● TPST reached a 52-week down last week on 11 September, quoting 0.8117.