Saudi Stock Exchange's main index ended trading lower today, losing 55.28 points to close at 10493.17 points. The total value of trading reported was SAR 3.1 billion, while the toll of shares traded was 124 million. The Saudi Parallel Market Index (NOMU) ended the day by gaining 113.05 points to close at 19371.57 points, with a valuation of SAR 3.1 million and an overall tally of more than 120,000 stocks.