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

Last week PROSF had an overall loss of -1.86%, the stock price moved from 43.00 to 42.20, last week's high was 43.00, the low was 42.20, and the cumulative volume was 505.

● PROSF reached a 52-week down last week on 1 October, quoting 42.20.