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

Last week GDC had an overall loss of -17.89%, the stock price moved from 1.90 to 1.56, last week's high was 3.59, the low was 1.30, and the cumulative volume was 30.66M.

● GDC reached a 52-week down last week on 21 August, quoting 1.56.