Saudi Stock Exchange's main index ended trading higher here today, gaining 123.63 points to close at 11987.97 points. The total value of the trading reported was SAR 5.6 billion, while the toll of shares traded was 166 million, divided into over 330,000 deals. The Saudi Parallel Market Index (NOMU) ended the day gaining 199.83 points, to close at 20960.65 points, with a valuation of SAR 40.1 million and an overall tally of more than 770,000 stocks traded and divided into as many as 2644 deals.