RIYADH: Saudi Arabia’s main index declined today, dragged down by mixed earnings announcements and a decline at Aramco’s shares, the largest market player, despite strong quarterly performance. The Tadawul All Share Index slipped 1.18 percent, to end at 11,530, while the parallel market, Nomu, gained 0.49 percent to finish at 19,600. Saudi oil giant Aramco ended Tuesday's