Saudi Stock Exchange's main index ended trading lower here today, losing 13.37 points to close at 12,463.17 points. The total value of the trading reported was SAR 9.56 billion, while the toll of shares traded was 228 million, divided into over 424,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 117,23 points, to close at 25,111.12 points, with a valuation of SAR 78 million and an overall tally of more than 890,000 stocks traded and divided into as many as 3,086 deals.