The Tadawul All-Share Index closed Monday trading 0.55% higher at 6,742.04 points, although market bellwether Sabic fell for the second day straight, ending off 0.55% at SR91. Oil prices (U. S. Crude) were trading slightly lower Monday, at around $83.50. Shares of Dar Al Arkan Real Estate Development Company were the most liquid securities, gaining 9.63% to hit SR10.25. Abdullah Al Othaim Markets Company finished 0.85% lower at SR87.25. Earlier in the day, the Riyadh-headquartered central and cash and carry-markets specialist said that its Chief Executive Officer Mr. Abdulaziz Bin Saleh Al Othaim has submitted his resignation to the Board of Directors from his position as a CEO and board member due to personal matters. A successor has not yet been appointed.