Main indices of the national bourse closed the Monday session in a mixed manner. Price index lost 2.4 points falling to the level of 6,231 points, but the weighted index gained 0.88 points rising to the level of 421.76 points. Number of trades reached 5,854, value of traded shares amounted to 46,996, 580 and volume of dealt-in stocks, 456,100,000.