Saudi Stock Exchange's main index ended trading lower here today, losing 9,10 points to close at 11827.48 points. The total value of the trading reported was SAR 6 billion, while the toll of shares traded was 159 million, divided into over 290,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 109.56 points, to close at 24170.36 points, with a valuation of SAR 40 million and an overall tally of more than 220,000 stocks traded and divided into as many as 1644 deals.