TASI rises 0.3% to 6,584 points, its highest close since October 2008.
Saudi Arabia's stock market ended at a 17-month high, driven by petrochemicals and banks.
The main index TASI rose 0.3 percent to 6,584 points, its highest close since October 2008.
The petrochemical index ended up 0.3 percent at 5,849 points.
The banking index rose 0.3 percent to 17,083 points, with Saudi Fransi Banque and Alinma Bank gaining 0.4 percent each. Al-Rajhi Bank, the country's biggest listed lender, added 0.3 percent. (Reuters)