RIYADH: Saudi Arabia’s main stock market, TASI, closed lower on Sunday in line with other major Middle Eastern bourses. At the closing bell, TASI was down 0.5 percent at 13,463, while Nomu was almost flat at 23,832. Stock exchanges in Qatar, Bahrain, Oman, and Kuwait all dropped between 0.3 and 0.5 percent. In energy trading, oil prices plunged nearly 4 percent today on the