The domestic companies index (DCI) went down by 0.16 percent during the week ending April 27, closing at 8 419.92 points from 8 433.72 points the previous week, as indicated by Stockbrokers Botswana weekly report. For the year-to-date, the index lost 4.97 percent. A total of 5 547 512 securities valued at P14 119 955 were traded during the week.