Kuwait Stock Exchange ended trading Thursday on mixed boards with the weighted index reaching 431.17 points on an increase of 1.04, while the price index came to 6,139.3 points on a gain of 11.19 points and the KSX 15 index to 1,046.15 on a gain of 4.05 points. Trades came to 6,529 transactions, worth KD 26,139,138.98 and volume came to 390,141,616 shares. The sector indices were a mix of red, green.