RIYADH: Saudi Arabia’s Tadawul All Share Index closed flat on Monday, slipping 0.26 points to 11,256.39. While the parallel market Nomu lost 35.84 points to finish at 21,058.53, the MSCI Tadawul Index inched up 1.12 percent to end at 1,514.66. The total trading turnover of the benchmark index on Monday was SR5.57 billion ($1.49 billion). The best performer of the day was