Saudi Stock Exchange's main index ended trading lower today, losing 7.66 points to close, at 9,587.79 points. The total value of the trading reported was 11.9 billion, while the toll of shares traded was more than 450 million, divided into over 475,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 1733.31 points, to close, at 24,175.09 points, with a valuation of more than SR82 million and an overall tally of more than 675,000 stocks traded and divided into as many as 1964 deals.