Weekly Report: what happened at MBI last week (0817-0821)?

Last week MBI had an overall loss of -4.67%, the stock price moved from 5.14 to 4.90, last week's high was 5.18, the low was 4.72, and the cumulative volume was 3.36M.

● MBI reached a 52-week down last week on 21 August, quoting 4.90.