Saudi Stock Exchange's main index ended trading higher here today, gaining 21.54 points to close at 12,293.38 points. The total value of the trading reported was SAR 6.8 billion, while the toll of shares traded was 189 million, divided into over 330,000 deals. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 13.24 points, to close at 25,558.88 points, with a valuation of SAR 47 million and an overall tally of more than 490,000 stocks traded and divided into as many as 2,555 deals.