The Saudi Stock Exchange main index ended trading lower today, losing 99.84 points to close at 11927.33 points.The total value of trading reported was SAR7.3 billion.The Saudi Parallel Market Index (NOMU) ended the day by losing 90.21 points to close at 24453.14 points, valued at SAR36 million.The total number of shares traded was over 4 million.Source: Saudi Press Agency