Weak Bank and financial services shares weighed on the Riyadh Stock Exchange. The Tadawul All Share Index (Tasi) closed 0.25% lower at 6,323.95 points. SABB Takaful, a leading Islamic insurer in the Kingdom, plummeted 2.90%, ending at SR21.75. Market bellwether Sabic bucked the trend and added half a percent, closing at SR91.75. Fifty stocks gained in Riyadh, 75 shares lost value.