The domestic companies index (DCI) went down by 0.54 percent during the week ending April 6, closing at 8 543.54 points from 8 589.64 points the previous week, as indicated by Stockbrokers Botswana weekly report. For the year-to-date, the index lost 3.57 percent. A total of 7 698 118 securities valued at P14 486 122 were traded during the week.