Kuwait Stock exchange (KSE) opened trading Monday on a mixed board with the weighted index reading 431.93 points by 9:30 a.m., shedding 1.12 points, while the price index went up gaining 4.88 points, reaching 6,633.04 points. The KSX 15 index, which reflects trading in blue-chips, read 1,030.99 points, losing 3.21 points. Number of trades amounted to 2,513 deals worth KD 13,455,960.367 and volume of exchanged stocks stood at 223,228,339 at the time.