The domestic companies index (DCI) went down by 0.22 percent during the week ending June 8, closing at 8 526.80 points from 8 545.25 points the previous week, as indicated by Stockbrokers Botswana weekly report. For the year-to-date, the index lost 3.76 percent. A total of 37 144 013 securities valued at P132 216 575 were traded during the week.