RIYADH: Saudi Arabia’s main index gained ground in the first session of the week, triggered by higher crude oil prices. The Tadawul All Share Index gained 0.90 percent to end at 11,940 on Sunday, while the parallel market Nomu added 1.47 percent to 20,737. Saudi oil giant Aramco climbed 1.5 percent, while Rabigh Refining and Petrochemical Co. edged down 1.01 percent. Al Rajhi, the Kingdom’s largest valued bank, edged up 1.4 percent, while Alinma Bank advanced 1.78 percent. The Saudi National Bank, the country’s biggest lender, gained 1.21 percent, while Saudi Arabian Mining Co., known as Ma"aden, increased 1.59 percent. Lazurde Co. for Jewelry gained 9.97 percent to lead the gainers early in trading, whileAl-Rajhi Co. for Cooperative Insurance edged down 4.5 percent to lead the fallers. Abdulmohsen Alhokair Group for Tourism and Development edged up 1.29 percent, as it entered negotiations with its unit to acquire hotels currently leased by the group. Among the gainers, Seera Group Holding added 7.11 percent, while Alamar Foods Co. increased 6.67 percent. In energy trading, Brent crude futures closed on Friday higher at $92.84 a barrel, while US West Texas Intermediate traded at $86.79 a barrel