Saudi Stock Exchange's main index ended trading lower here today, losing 91.10 points to close at 11439.19 points. The total value of the trading reported was SAR 4.8 billion, while the toll of shares traded was over 138 million, divided into over 321,000 deals. The Saudi Parallel Market Index (NOMU) ended the day gaining 161.86 points, to close at 19527.94 points, with a valuation of SAR 22.2 million and an overall tally of more than 360,000 stocks traded and divided into as many as 1,790 deals.