The domestic companies index (DCI) went down by 0.41 percent during the week ending March 29, closing at 8 589.64 points from 8 625.09 points the previous week, as indicated by Stockbrokers Botswana weekly report. For the year-to-date, the index lost 3.05 percent. A total of 2 916 681 securities valued at P15 745 749 were traded during the week.