Trades at Kuwait Stock Exchange (KSE), the national bourse, closed on Sunday with the benchmark gaining 7.24 points settling at 6,290 points. Weighted index, the second key index, inched upward by 0.05, but Kuwait-15 index lost 5.32 points. Value of traded shares reached, upon closing, KD 21.09 million, volume turnover 215.5 million shares, done in 4,023 transactions.