RIYADH: Saudi Arabia’s main stock market, Tadawul, gained on Sunday as it reopened after the Eid break amid a rise in oil prices. TASI, the main index, added 0.6 percent to 13,820 points, while the parallel market Nomu dropped 1.5 percent to 23,547 points. Elsewhere in the Gulf, stock exchanges of Qatar, Bahrain, Oman, and Kuwait all edged down. Egypt, on the other hand,