RIYADH: Saudi Arabia’s main stock index TASI closed lower on Wednesday, despite the recent US ban on Russian imports driving brent crude oil near $130 per barrel. At the closing bell, TASI lost 0.88 percent to 12,739 points, while the parallel market, Nomu, surged 1.03 percent to 24,796 points. Stock exchanges in Abu Dhabi, Dubai, and Qatar joined the volatile downturn, with