The domestic companies index went down by 0.10 percent during the week ending January 26, closing at 8 750.25 points from 8 759.24 points the previous week, as indicated by Stockbrokers Botswana weekly report. For the year-to-date, the index decreased by 1.24 percent. A total of 2 155 903 securities valued at P7 602 155 were traded during the week.