Saudi Stock Exchange's main index ended trading lower here today, losing 230.01 points to close at 12297.62 points. The total value of the trading reported was SAR 15 billion, while the toll of shares traded was 380 million, divided into over 400,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 467.07 points, to close at 24942.10 points, with a valuation of more than SAR 80 million and an overall tally of more than 1,000,000 stocks traded and divided into as many as 3962 deals.