Saudi Stock Exchange's main index ended trading lower here today, losing 151.13 points to close at 12,139.83 points. The total value of the trading reported was SAR 5.4 billion, while the toll of shares traded was 130 million, divided into over 270,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 364.08 points, to close at 25,706.70 points, with a valuation of SAR 95 million and an overall tally of more than 1.3 million stocks traded and divided into as many as 3,546 deals.