The domestic companies index (DCI) went down by 0.74 percent during the week ending April 20, closing at 8 433.72 points from 8 496.18 points the previous week, as indicated by Stockbrokers Botswana weekly report. For the year-to-date, the index lost 4.81 percent. A total of 43 839 700 securities valued at P182 948 150 were traded during the week.