Saudi Stock Exchange's main index ended trading lower here today, losing 66.46 points to close, at 11,685.66 points. The total value of the trading reported was SAR 6 billion, while the toll of shares traded was 156 million, divided into over 300,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 192.55 points, to close at 24,922.57 points, with a valuation of SAR 40 million and an overall tally of 570,000 stocks traded and divided into as many as 1,917 deals.