RIYADH: Saudi stocks slipped on Tuesday, tracking a trend in the region as market sentiment remained negative due to continued recession fears and oil volatility. TASI finished the session 1.1 percent lower at 12,420, while the parallel Nomu fell 0.8 percent to 21,562. The Qatari index underperformed Gulf peers as it dropped 1.5 percent, while Abu Dhabi and Dubai lost 0.2 and