Saudi Stock Exchange's main index ended trading lower here today, losing 12.85 points to close at 10,685.45. The total value of the trading reported was SR 14.9 billion, while the toll of shares traded was more than 440 million, divided into over 550,000 deals. While the stocks of 103 companies ended the trading higher, 84 companies' shares slumped. The spread between the advancers and decliners stocks ranged from 9.99% to 2.08%. The Saudi Parallel Equity Market Index (NOMU) ended the day losing 710.98 points, to close at 23,485.95, with a valuation of SR 24 million and an overall tally of 255,000 stocks traded and divided into as many as 825 deals.