Kuwait Stock exchange (KSE) kept to red till closing time, Sunday, as the weighted index came to 429.77 points, up 0.22 points, while the price index came to 6,406.67, on a green of 9.03 points. The KSX 15 index meanwhile came to 1,031.16 points, a down of 0.44 points. The session saw 7,397 trades at a value of KD 32,999,706.525 with volume reaching 471,609,797 shares.