The Stockbrokers Botswana  weekly report indicates that domestic companies index (DCI) lost 0.16 percent during the week ending August 18, closing at 8970.33 points from 8984.87 points the previous week. For the year-to-date, the index declined by 4.58 percent. A total of 39 432 099 securities valued at P220 759 660 were traded during the week.