The domestic companies index (DCI) went down by 0.55 percent during the week ending April 13, closing at 8 496.18 points from 8 543.54 points the previous week, as indicated by Stockbrokers Botswana weekly report. For the year-to-date, the index lost 4.11 percent. A total of 3 803 753 securities valued at P14 311 388 were traded during the week.