Kuwait Stock Exchange closed Thursday's session with the three main indices performing in a mixed manner. The KSE benchmark read 6,139.2, losing 17.4 points, while the weighted index inched upward, 0.73, followed by Kuwait-15 index, 1.61 points. Value of traded shares reached some KD 11.9 million, volume turnover 124.7 million shares, done in 2,586 transactions.