Saudi Stock Exchange's main index ended trading lower here today, losing 224.51 points to close, at 11,485.94 points. The total value of the trading reported was SAR 5.6 billion, while the toll of shares traded was more than 161 million, divided into over 290,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 597.00 points, to close at 23,971.26 points, with a valuation of SAR 22 million and an overall tally of 360,000 stocks traded and divided into as many as 1,840 deals.