Saudi Stock Exchange's main index ended trading lower today, losing 68 points to close, at 9,242.28 points. The total value of the trading reported was 13.8 billion, while the toll of shares traded was more than 507 million, divided into over 557,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 251.05 points, to close, at 25,914.50 points, with a valuation of more than SR30 million and an overall tally of more than 296,000 stocks traded and divided into as many as 1,003 deals.