Saudi Stock Exchange's main index ended trading lower here today, losing 23.78 points to close, at 8,874.90 points. The total value of the trading reported was 8.2 billion, while the toll of shares traded was more than 240 million, divided into over 345,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 711.86 points, to close, at 25,824.55 points, with a valuation of more than SR32 million and an overall tally of more than 245,000 stocks traded and divided into as many as 993 deals.