Saudi Stock Exchange's main index ended trading lower here today, losing 82.18 points to close at 10,831.38. The total value of the trading reported was SR 12 billion, while the toll of shares traded was more than 380 million, divided into over 370,000 deals. While the stocks of 69 companies ended the trading higher, 111 companies' shares slumped. The spread between the advancers and decliners stocks ranged from 9.97% to 3.22%. The Saudi Parallel Equity Market Index (NOMU) ended the day gaining 251.71 points, to close at 23,202.42, with a valuation of SR 56 million and an overall tally of 665,000 stocks traded and divided into as many as 1,877 deals.