Saudi Stock Exchange's main index ended trading lower here today, losing 112.63 points to close at 12738.59 points. The total value of the trading reported was SAR 12.1 billion, while the toll of shares traded was 229 million, divided into over 410,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day gaining 253.43 points, to close at 24796.19 points, with a valuation of SAR 90 million and an overall tally of more than 900,000 stocks traded and divided into as many as 4608 deals.