RIYADH: Saudi Arabia’s main stock market opened higher on Thursday, as investor sentiment was buoyed by strong quarterly earnings results. TASI the main index advanced 0.5 percent to 13,717, while the parallel market Nomu slipped 0.05 percent to 23,622 at 10:12 a.m. Riyadh time. Oil giant Aramco, which is the heaviest weight on TASI, gained 0.7 percent, and the Kingdom’s