Saudi Stock Exchange's main index ended trading lower here today, losing 91.53 points to close at 11,848.05 points. The total value of the trading reported was SAR 7.5 billion, while the toll of shares traded was more than 221 million, divided into over 320,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 412.49 points, to close at 23,317.98 points, with a valuation of more than SAR 18 million and an overall tally of 250,000 stocks traded and divided into as many as 1,002 deals.